'Fifty' in the Bible

Until {the day after} the seventh Sabbath you shall count fifty days; then you shall present a new grain offering for Yahweh.

if your proper value is [for] a male from {twenty years of age} up to {sixty years of age}, then your proper value shall be fifty shekels [of] money according to the sanctuary's shekel.

" 'And if a man consecrates {some of} his property's fields for Yahweh, then your proper value shall be {in accordance with its seed requirements}: a homer of barley seed for fifty shekels of money.