56624242731 has 32 divisors (see below), whose sum is σ = 92232096768. Its totient is φ = 30195010560.

The previous prime is 56624242729. The next prime is 56624242739. The reversal of 56624242731 is 13724242665.

It is not a de Polignac number, because 56624242731 - 2¹ = 56624242729 is a prime.

It is a super-2 number, since 2×56624242731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56624242739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1409886 + ... + 1449491.

It is an arithmetic number, because the mean of its divisors is an integer number (2882253024).

Almost surely, 2^56624242731 is an apocalyptic number.

56624242731 is a deficient number, since it is larger than the sum of its proper divisors (35607854037).

56624242731 is a wasteful number, since it uses less digits than its factorization.

56624242731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859451.

The product of its digits is 483840, while the sum is 42.

The spelling of 56624242731 in words is "fifty-six billion, six hundred twenty-four million, two hundred forty-two thousand, seven hundred thirty-one".