51364052931 has 16 divisors (see below), whose sum is σ = 70852851360. Its totient is φ = 33059174400.

The previous prime is 51364052921. The next prime is 51364052951. The reversal of 51364052931 is 13925046315.

It is not a de Polignac number, because 51364052931 - 2²⁶ = 51296944067 is a prime.

It is a super-2 number, since 2×51364052931² (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 51364052931.

It is not an unprimeable number, because it can be changed into a prime (51364052921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840381 + ... + 1868081.

It is an arithmetic number, because the mean of its divisors is an integer number (4428303210).

Almost surely, 2^51364052931 is an apocalyptic number.

51364052931 is a deficient number, since it is larger than the sum of its proper divisors (19488798429).

51364052931 is a wasteful number, since it uses less digits than its factorization.

51364052931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49046.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 51364052931 in words is "fifty-one billion, three hundred sixty-four million, fifty-two thousand, nine hundred thirty-one".