Has a FIBA World Cup game ever ended 59-27?
Exactly once. On November 3, 1950, Brazil beat France 59-27, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 59-27 in league history.
That makes 59-27 the 240th most common final score out of 863 that have ever occurred in FIBA World Cup. One point away, 60-27 has happened never and 59-28 has happened never.