556665000056 has 16 divisors (see below), whose sum is σ = 1138632954840. Its totient is φ = 253029545440.

The previous prime is 556665000053. The next prime is 556665000071. The reversal of 556665000056 is 650000566655.

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 = 556664999980 and 556665000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556665000053) 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, 3162869231 + ... + 3162869406.

Almost surely, 2^556665000056 is an apocalyptic number.

It is an amenable number.

556665000056 is an abundant number, since it is smaller than the sum of its proper divisors (581967954784).

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

556665000056 is a wasteful number, since it uses less digits than its factorization.

556665000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325738654 (or 6325738650 counting only the distinct ones).

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

The spelling of 556665000056 in words is "five hundred fifty-six billion, six hundred sixty-five million, fifty-six", and thus it is an aban number.