'Fifty' in the Bible

They brought up and brought out of Egypt a chariot for six hundred pieces of silver, and a horse for one hundred fifty: and so for all the kings of the Hittites, and the kings of Syria, did they bring them out by their means.

The weight of the nails was fifty shekels of gold. He overlaid the upper rooms with gold.

These were the chief officers of king Solomon, even two-hundred fifty, who ruled over the people.

Huram sent him ships and servants who had knowledge of the sea by the hands of his servants; and they came with the servants of Solomon to Ophir, and fetched from there four hundred fifty talents of gold, and brought them to king Solomon.