Hecho general: 54178 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 54178 is a boring number.
Trivia: 54178 is an unremarkable number.
Fecha histórica: May 1st is the day in 1946 that the Paris Peace Conference concludes that the islands of the Dodecanese should be returned to Greece by Italy.