556550808 has 64 divisors (see below), whose sum is σ = 1520294400. Its totient is φ = 168382080.

The previous prime is 556550801. The next prime is 556550873. The reversal of 556550808 is 808055655.

It is a self number, because there is not a number n which added to its sum of digits gives 556550808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556550801) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 217585 + ... + 220127.

It is an arithmetic number, because the mean of its divisors is an integer number (23754600).

Almost surely, 2^556550808 is an apocalyptic number.

It is an amenable number.

556550808 is an abundant number, since it is smaller than the sum of its proper divisors (963743592).

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

556550808 is a wasteful number, since it uses less digits than its factorization.

556550808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 556550808 is about 23591.3290850685. The cubic root of 556550808 is about 822.5612993119.

The spelling of 556550808 in words is "five hundred fifty-six million, five hundred fifty thousand, eight hundred eight".