51875110431 has 24 divisors (see below), whose sum is σ = 76706023680. Its totient is φ = 33764720976.

The previous prime is 51875110337. The next prime is 51875110439. The reversal of 51875110431 is 13401157815.

It is a happy number.

51875110431 is a `hidden beast` number, since 518 + 7 + 5 + 1 + 104 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-51875110431 is a prime.

It is a super-2 number, since 2×51875110431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51875110439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919600 + ... + 974378.

It is an arithmetic number, because the mean of its divisors is an integer number (3196084320).

Almost surely, 2^51875110431 is an apocalyptic number.

51875110431 is a deficient number, since it is larger than the sum of its proper divisors (24830913249).

51875110431 is a wasteful number, since it uses less digits than its factorization.

51875110431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57275 (or 57272 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 51875110431 in words is "fifty-one billion, eight hundred seventy-five million, one hundred ten thousand, four hundred thirty-one".