56623044056 has 16 divisors (see below), whose sum is σ = 106323661800. Its totient is φ = 28270067584.

The previous prime is 56623044053. The next prime is 56623044059. The reversal of 56623044056 is 65044032665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56623044053) and next prime (56623044059).

It is a super-2 number, since 2×56623044056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56623044053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5176001 + ... + 5186928.

Almost surely, 2^56623044056 is an apocalyptic number.

It is an amenable number.

56623044056 is a deficient number, since it is larger than the sum of its proper divisors (49700617744).

56623044056 is a wasteful number, since it uses less digits than its factorization.

56623044056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363618 (or 10363614 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 56623044056 in words is "fifty-six billion, six hundred twenty-three million, forty-four thousand, fifty-six".