556675656 has 32 divisors (see below), whose sum is σ = 1429304640. Its totient is φ = 180543168.

The previous prime is 556675643. The next prime is 556675673. The reversal of 556675656 is 656576655.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 556675599 and 556675608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312556 + ... + 314331.

It is an arithmetic number, because the mean of its divisors is an integer number (44665770).

Almost surely, 2^556675656 is an apocalyptic number.

It is an amenable number.

556675656 is an abundant number, since it is smaller than the sum of its proper divisors (872628984).

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

556675656 is a wasteful number, since it uses less digits than its factorization.

556675656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626933 (or 626929 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 51.

The square root of 556675656 is about 23593.9749936292. The cubic root of 556675656 is about 822.6228016064.

Subtracting 556675656 from its reverse (656576655), we obtain a palindrome (99900999).

The spelling of 556675656 in words is "five hundred fifty-six million, six hundred seventy-five thousand, six hundred fifty-six".