56626001731 has 12 divisors (see below), whose sum is σ = 62473845888. Its totient is φ = 51283917984.

The previous prime is 56626001699. The next prime is 56626001741. The reversal of 56626001731 is 13710062665.

It is not a de Polignac number, because 56626001731 - 2⁵ = 56626001699 is a prime.

It is a super-2 number, since 2×56626001731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56626001741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3152035 + ... + 3169948.

It is an arithmetic number, because the mean of its divisors is an integer number (5206153824).

Almost surely, 2^56626001731 is an apocalyptic number.

56626001731 is a deficient number, since it is larger than the sum of its proper divisors (5847844157).

56626001731 is a wasteful number, since it uses less digits than its factorization.

56626001731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322062 (or 6322049 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 56626001731 in words is "fifty-six billion, six hundred twenty-six million, one thousand, seven hundred thirty-one".