Hecho general: 53875 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 53875 is a boring number.
Trivia: 53875 is an uninteresting number.
Fecha histórica: July 3rd is the day in 1970 that a British Dan-Air De Havilland Comet chartered jetliner crashes into mountains north of Barcelona, Spain killing 113 people.