51759915031 has 16 divisors (see below), whose sum is σ = 57136453920. Its totient is φ = 46495905280.

The previous prime is 51759915019. The next prime is 51759915061. The reversal of 51759915031 is 13051995715.

It is not a de Polignac number, because 51759915031 - 2²¹ = 51757817879 is a prime.

It is a super-2 number, since 2×51759915031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51759915061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586475 + ... + 1618771.

It is an arithmetic number, because the mean of its divisors is an integer number (3571028370).

Almost surely, 2^51759915031 is an apocalyptic number.

51759915031 is a deficient number, since it is larger than the sum of its proper divisors (5376538889).

51759915031 is a wasteful number, since it uses less digits than its factorization.

51759915031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34034.

The product of its (nonzero) digits is 212625, while the sum is 46.

The spelling of 51759915031 in words is "fifty-one billion, seven hundred fifty-nine million, nine hundred fifteen thousand, thirty-one".