51330502252 has 24 divisors (see below), whose sum is σ = 89991271440. Its totient is φ = 25618756800.

The previous prime is 51330502199. The next prime is 51330502319. The reversal of 51330502252 is 25220503315.

It is a super-2 number, since 2×51330502252² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51330502252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558463 + ... + 5567689.

It is an arithmetic number, because the mean of its divisors is an integer number (3749636310).

Almost surely, 2^51330502252 is an apocalyptic number.

It is an amenable number.

51330502252 is a deficient number, since it is larger than the sum of its proper divisors (38660769188).

51330502252 is a wasteful number, since it uses less digits than its factorization.

51330502252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11601 (or 11599 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 51330502252 in words is "fifty-one billion, three hundred thirty million, five hundred two thousand, two hundred fifty-two".