Hecho general: 53386 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 53386 is an uninteresting number.
Trivia: 53386 is a boring number.
Fecha histórica: March 1st is the day in 1966 that Venera 3 Soviet space probe crashes on Venus becoming the first spacecraft to land on another planet's surface.