51272760250 has 24 divisors (see below), whose sum is σ = 95989309884. Its totient is φ = 20507672000.

The previous prime is 51272760247. The next prime is 51272760311. The reversal of 51272760250 is 5206727215.

It can be written as a sum of positive squares in 6 ways, for example, as 11747741769 + 39525018481 = 108387^2 + 198809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3573090 + ... + 3587410.

Almost surely, 2^51272760250 is an apocalyptic number.

51272760250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51272760250 is a deficient number, since it is larger than the sum of its proper divisors (44716549634).

51272760250 is an frugal number, since it uses more digits than its factorization.

51272760250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28659 (or 14328 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 51272760250 in words is "fifty-one billion, two hundred seventy-two million, seven hundred sixty thousand, two hundred fifty".