56457685626 has 16 divisors (see below), whose sum is σ = 112944738528. Its totient is φ = 18814334000.

The previous prime is 56457685621. The next prime is 56457685631. The reversal of 56457685626 is 62658675465.

It is an interprime number because it is at equal distance from previous prime (56457685621) and next prime (56457685631).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56457685626.

It is not an unprimeable number, because it can be changed into a prime (56457685621) 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 7 ways as a sum of consecutive naturals, for example, 1198605 + ... + 1244816.

It is an arithmetic number, because the mean of its divisors is an integer number (7059046158).

Almost surely, 2^56457685626 is an apocalyptic number.

56457685626 is an abundant number, since it is smaller than the sum of its proper divisors (56487052902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56457685626 is a wasteful number, since it uses less digits than its factorization.

56457685626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447277.

The product of its digits is 72576000, while the sum is 60.

The spelling of 56457685626 in words is "fifty-six billion, four hundred fifty-seven million, six hundred eighty-five thousand, six hundred twenty-six".