56036687231 has 16 divisors (see below), whose sum is σ = 64893498624. Its totient is φ = 47396517504.

The previous prime is 56036687219. The next prime is 56036687243. The reversal of 56036687231 is 13278663065.

It is an interprime number because it is at equal distance from previous prime (56036687219) and next prime (56036687243).

It is not a de Polignac number, because 56036687231 - 2¹⁴ = 56036670847 is a prime.

It is a super-2 number, since 2×56036687231² (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 (56036687131) 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, 23516 + ... + 335598.

It is an arithmetic number, because the mean of its divisors is an integer number (4055843664).

Almost surely, 2^56036687231 is an apocalyptic number.

56036687231 is a deficient number, since it is larger than the sum of its proper divisors (8856811393).

56036687231 is a wasteful number, since it uses less digits than its factorization.

56036687231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312430.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 56036687231 in words is "fifty-six billion, thirty-six million, six hundred eighty-seven thousand, two hundred thirty-one".