Hecho general: 53690 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 53690 is an uninteresting number.
Trivia: 53690 is an uninteresting number.
Fecha histórica: December 30th is the day in 2006 that the Indonesian passenger ferry MV Senopati Nusantara sinks in a storm, resulting in at least 400 deaths.