Has a College Football game ever ended 54-36?
Exactly once. On November 28, 2015, Indiana beat Purdue 54-36, and no College Football game before or since has ended that way. When it happened it was a scorigami, the first 54-36 in league history.
That makes 54-36 the 1819th most common final score out of 2,215 that have ever occurred in College Football. One point away, 55-36 has happened 1 times and 54-37 has happened 1 times.