'Fifty' in the Bible

You must count fifty days -- until the day after the seventh Sabbath -- and then you must present a new grain offering to the Lord.

the conversion value of the male from twenty years old up to sixty years old is fifty shekels by the standard of the sanctuary shekel.

"'If a man consecrates to the Lord some of his own landed property, the conversion value must be calculated in accordance with the amount of seed needed to sow it, a homer of barley seed being priced at fifty shekels of silver.