General fact: 54100 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 54100 is an unremarkable number.
Trivia: 54100 is a boring number.
Historical date: February 13th is the day in 2004 that the Harvard-Smithsonian Center for Astrophysics announces the discovery of the universe's largest known diamond, white dwarf star BPM 37093.