Fatto generale: 54300 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 54300 is an uninteresting number.
Trivia: 54300 is an unremarkable number.
Data storica: August 31st is the day in 1999 that a LAPA Boeing 737-200 crashes during takeoff from Jorge Newbury Airport in Buenos Aires, killing 65, including two on the ground.