51588264031 has 4 divisors (see below), whose sum is σ = 51607240000. Its totient is φ = 51569288064.

The previous prime is 51588264001. The next prime is 51588264037. The reversal of 51588264031 is 13046288515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51588264031 is a prime.

It is a super-2 number, since 2×51588264031² (a number of 22 digits) contains 22 as substring.

It is the 227131-st Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51588264037) by changing a digit.

It is a nontrivial repunit in base 227130.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9483906 + ... + 9489343.

It is an arithmetic number, because the mean of its divisors is an integer number (12901810000).

Almost surely, 2^51588264031 is an apocalyptic number.

51588264031 is a deficient number, since it is larger than the sum of its proper divisors (18975969).

51588264031 is a wasteful number, since it uses less digits than its factorization.

51588264031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18975968.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 51588264031 in words is "fifty-one billion, five hundred eighty-eight million, two hundred sixty-four thousand, thirty-one".