In Genesis 18:24, this signifies truths full of good. (Arcana Coelestia 2252)

In Genesis 6:15, applied to Breadth, the fifty righteous signify that there was still truth present but little remained. (Arcana Coelestia 647)

In Exodus 18:21, 2 Kings 15:27, 2 Kings 21:1, see Five, Ten, Fifty-two, Fifty, Two, Fifty-five, Five. (Arcana Coelestia 8714)