Fifty
The triliteral root khā mīm sīn (خ م س) occurs in the Quran 8 times.
Noah's one thousand year less Fifty calendar years
(29:14) We had sent Noah to his people, so he stayed with them one thousand year less fifty calendar years. Then the flood took them while they were wicked.
A Day that equal to Fifty Thousand year
(70:4) The angels and the Spirit ascend to Him in a day which is equivalent to fifty (Arab. خَمْسِينَ, khamsīna) thousand years.
See Also
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 19, 20, 30, 40, 50, 60, 70, 80, 99, 100, 200, 300, 1000, 2000, 3000, 5000, 50.000, 100.000.
