51930562764 has 24 divisors (see below), whose sum is σ = 125080066048. Its totient is φ = 16751794320.

The previous prime is 51930562759. The next prime is 51930562771. The reversal of 51930562764 is 46726503915.

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, 69798772 + ... + 69799515.

Almost surely, 2^51930562764 is an apocalyptic number.

It is an amenable number.

51930562764 is an abundant number, since it is smaller than the sum of its proper divisors (73149503284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51930562764 is a wasteful number, since it uses less digits than its factorization.

51930562764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139598325 (or 139598323 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 51930562764 in words is "fifty-one billion, nine hundred thirty million, five hundred sixty-two thousand, seven hundred sixty-four".