'Fifty' in the Bible

"There were once two men in debt to one money-lender," said Jesus; "one owed him five hundred shillings and the other fifty.

But He said to His disciples, "Make them sit down in parties of about fifty each."

"'A hundred firkins of oil,' he replied. "'Here is your account,' said the steward: 'sit down quickly and change it into fifty firkins.'

"You are not yet fifty years old," cried the Jews, "and have you seen Abraham?"

Then, after overthrowing seven nations in the land of Canaan, He divided that country among them as their inheritance for about four hundred and fifty years;