51522432923 has 12 divisors (see below), whose sum is σ = 56079669240. Its totient is φ = 47312718336.

The previous prime is 51522432911. The next prime is 51522432937. The reversal of 51522432923 is 32923422515.

It is not a de Polignac number, because 51522432923 - 2³² = 47227465627 is a prime.

It is a super-2 number, since 2×51522432923² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51522432323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757193 + ... + 822426.

It is an arithmetic number, because the mean of its divisors is an integer number (4673305770).

Almost surely, 2^51522432923 is an apocalyptic number.

51522432923 is a deficient number, since it is larger than the sum of its proper divisors (4557236317).

51522432923 is a wasteful number, since it uses less digits than its factorization.

51522432923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579838 (or 1579825 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The spelling of 51522432923 in words is "fifty-one billion, five hundred twenty-two million, four hundred thirty-two thousand, nine hundred twenty-three".