It's about twenty times as heavy as a Chihuahua.
In other words, the weight of a Chihuahua is 0.0417 times 54,000 grams.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 2,250 grams. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.
It's about one-thirtieth as heavy as a Car.
In other words, 54,000 grams is 0.03269 times the weight of a Car, and the weight of a Car is 30.590 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 1,652,000 grams. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 386,000 grams.
It's about one-thirty-fifth as heavy as a Giraffe.
It's about one-fortieth as heavy as a Rhinoceros.
In other words, the weight of a Rhinoceros is 38 times 54,000 grams.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 2,100,000 grams. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about 40 times as heavy as a Human Brain.
In other words, the weight of a Human Brain is 0.025 times 54,000 grams.(adult)
The average weight of an adult human brain is between 1,300 and 1,400 g. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
It's about one-fiftieth as heavy as The Tongue of a Blue Whale.
In other words, the weight of The Tongue of a Blue Whale is 50 times 54,000 grams.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 2,700,000 grams. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about 55 times as heavy as a liter of Water.
In other words, 54,000 grams is 53.998490 times the weight of a liter of Water, and the weight of a liter of Water is 0.01851904 times that amount.(fresh; 4° C / 39.2° F; maximum density)
Contrary to popular belief, 1 liter (0.0.264172052358148 gal) of water at 4° C / 39.2° F (its point of maximum density) weighs 1,000.028 grams rather than 1 kg exactly. The total volume of water on the planet Earth is about 13,590,000,000,000,000,000 (13.59 quntillion) L (3,590,000,000,000,000,000 gallons).