'Fifty' in the Bible

They went up and exported a chariot from Egypt for six hundred shekels of silver and a horse for one hundred and fifty [shekels]. And [these were] {likewise exported} to all the kings of the Hittites and the kings of Aram.

And the weight for the nails [was] fifty shekels of gold. And he overlaid its upper rooms with gold.

And these [were] the commanders of the garrisons that belonged to King Solomon, two hundred and fifty who exercised authority over the people.

And Huram sent to him, by the hand of his servants, ships and servants knowledgeable of the sea. And they went with the servants of Solomon to Ophir, and from there they collected four hundred and fifty talents of gold and brought it to King Solomon.