'Fifties' in the Bible

And you will select from all the people men of ability, fearers of God, trustworthy men, haters of [dishonest] gain, and you will appoint [such men] over them [as] commanders of thousands, commanders of hundreds, commanders of fifties, and commanders of tens.

And Moses chose men of ability from all Israel, and he appointed them [as] heads over the people, [as] commanders of thousands, commanders of hundreds, commanders of fifties, and commanders of tens.

And so I took the leaders of your tribes, wise and knowledgeable men, and [then] I appointed them as leaders over you [as] commanders of [groups of] thousands and commanders of [groups of] hundreds and commanders of [groups of] fifties and commanders of [groups of] tens [as] officials for your tribes.

He will appoint for himself commanders of thousands and commanders of fifties, and [those] {to do his plowing} and to reap his harvest, and [those] to make weapons of war and the equipment for his chariots.

It had happened that when Jezebel killed the prophets of Yahweh, Obadiah took a hundred prophets and hid them {by fifties} in the cave and sustained them [with] food and water.)

Has it not been told to my lord what I did when Jezebel killed the prophets of Yahweh? I hid a hundred men of the prophets of Yahweh {by fifties} in the cave, and I sustained them [with] food and water.

Behold, fire from heaven came down and consumed the first two commanders of fifty and their fifties, so then let my life be precious in your eyes."

And they reclined in groups, by hundreds and by fifties.