Hecho general: 56373 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 56373 is an unremarkable number.
Trivia: 56373 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: May 5th is the day in 1972 that Alitalia Flight 112 crashes into Mount Longa near Palermo, Sicily, killing all 115 aboard, making it the deadliest single-aircraft disaster in Italy.