51923531925 has 24 divisors (see below), whose sum is σ = 95385452480. Its totient is φ = 27692550000.

The previous prime is 51923531903. The next prime is 51923531927. The reversal of 51923531925 is 52913532915.

51923531925 is a `hidden beast` number, since 5 + 1 + 9 + 23 + 531 + 92 + 5 = 666.

It is not a de Polignac number, because 51923531925 - 2⁶ = 51923531861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51923531927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38461201 + ... + 38462550.

Almost surely, 2^51923531925 is an apocalyptic number.

It is an amenable number.

51923531925 is a deficient number, since it is larger than the sum of its proper divisors (43461920555).

51923531925 is a wasteful number, since it uses less digits than its factorization.

51923531925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76923770 (or 76923759 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The spelling of 51923531925 in words is "fifty-one billion, nine hundred twenty-three million, five hundred thirty-one thousand, nine hundred twenty-five".