Hecho general: 534 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 534 is an uninteresting number.
Trivia: 534 is an uninteresting number.
Fecha histórica: June 17th is the day in 1958 that the wooden roller coaster at Playland, which is in the Pacific National Exhibition, Vancouver, British Colombia, Canada opens.