556936808 has 16 divisors (see below), whose sum is σ = 1053838500. Its totient is φ = 275913216.

The previous prime is 556936801. The next prime is 556936811. The reversal of 556936808 is 808639655.

It can be written as a sum of positive squares in 2 ways, for example, as 510669604 + 46267204 = 22598^2 + 6802^2 .

It is not an unprimeable number, because it can be changed into a prime (556936801) 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, 318473 + ... + 320216.

Almost surely, 2^556936808 is an apocalyptic number.

It is an amenable number.

556936808 is a deficient number, since it is larger than the sum of its proper divisors (496901692).

556936808 is a wasteful number, since it uses less digits than its factorization.

556936808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638804 (or 638800 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 556936808 is about 23599.5086389526. The cubic root of 556936808 is about 822.7514198913.

The spelling of 556936808 in words is "five hundred fifty-six million, nine hundred thirty-six thousand, eight hundred eight".