566556056 has 32 divisors (see below), whose sum is σ = 1209254400. Its totient is φ = 246327840.

The previous prime is 566556047. The next prime is 566556071. The reversal of 566556056 is 650655665.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 566555998 and 566556016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137936 + ... + 141983.

It is an arithmetic number, because the mean of its divisors is an integer number (37789200).

Almost surely, 2^566556056 is an apocalyptic number.

It is an amenable number.

566556056 is an abundant number, since it is smaller than the sum of its proper divisors (642698344).

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

566556056 is a wasteful number, since it uses less digits than its factorization.

566556056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279959 (or 279955 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 566556056 is about 23802.4380263871. The cubic root of 566556056 is about 827.4611810208.

The spelling of 566556056 in words is "five hundred sixty-six million, five hundred fifty-six thousand, fifty-six".