556425906 has 96 divisors (see below), whose sum is σ = 1238390208. Its totient is φ = 166458240.

The previous prime is 556425901. The next prime is 556425907. The reversal of 556425906 is 609524655.

It is not an unprimeable number, because it can be changed into a prime (556425901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4247461 + ... + 4247591.

It is an arithmetic number, because the mean of its divisors is an integer number (12899898).

Almost surely, 2^556425906 is an apocalyptic number.

556425906 is an abundant number, since it is smaller than the sum of its proper divisors (681964302).

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

556425906 is a wasteful number, since it uses less digits than its factorization.

556425906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 556425906 is about 23588.6817351034. The cubic root of 556425906 is about 822.4997612118.

The spelling of 556425906 in words is "five hundred fifty-six million, four hundred twenty-five thousand, nine hundred six".