51922661925 has 12 divisors (see below), whose sum is σ = 85845467840. Its totient is φ = 27692086320.

The previous prime is 51922661911. The next prime is 51922661963. The reversal of 51922661925 is 52916622915.

It is not a de Polignac number, because 51922661925 - 2²⁸ = 51654226469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346151005 + ... + 346151154.

Almost surely, 2^51922661925 is an apocalyptic number.

It is an amenable number.

51922661925 is a deficient number, since it is larger than the sum of its proper divisors (33922805915).

51922661925 is a wasteful number, since it uses less digits than its factorization.

51922661925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692302172 (or 692302167 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The spelling of 51922661925 in words is "fifty-one billion, nine hundred twenty-two million, six hundred sixty-one thousand, nine hundred twenty-five".