56626503431 has 8 divisors (see below), whose sum is σ = 59325602304. Its totient is φ = 53981931960.

The previous prime is 56626503419. The next prime is 56626503449. The reversal of 56626503431 is 13430562665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56626503431 is a prime.

It is a super-2 number, since 2×56626503431² (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 (56526503431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13629725 + ... + 13633878.

It is an arithmetic number, because the mean of its divisors is an integer number (7415700288).

Almost surely, 2^56626503431 is an apocalyptic number.

56626503431 is a deficient number, since it is larger than the sum of its proper divisors (2699098873).

56626503431 is a wasteful number, since it uses less digits than its factorization.

56626503431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27263701.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 56626503431 in words is "fifty-six billion, six hundred twenty-six million, five hundred three thousand, four hundred thirty-one".