Hecho general: 54249 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 54249 is an uninteresting number.
Trivia: 54249 is an unremarkable number.
Fecha histórica: July 11th is the day in 1979 that America's first space station, Skylab, is destroyed as it re-enters the Earth's atmosphere over the Indian Ocean.