Has an AFL game ever ended 57-24?
Exactly once. On July 29, 1899, Sydney beat St Kilda 57-24, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 57-24 in league history.
That makes 57-24 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 58-24 has happened never and 57-25 has happened 1 times.