556425920 has 28 divisors (see below), whose sum is σ = 1324989984. Its totient is φ = 222570240.

The previous prime is 556425917. The next prime is 556425931. The reversal of 556425920 is 29524655.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869096 + ... + 869735.

Almost surely, 2^556425920 is an apocalyptic number.

It is an amenable number.

556425920 is an abundant number, since it is smaller than the sum of its proper divisors (768564064).

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

556425920 is a wasteful number, since it uses less digits than its factorization.

556425920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738848 (or 1738838 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 556425920 is about 23588.6820318559. The cubic root of 556425920 is about 822.4997681100.

The spelling of 556425920 in words is "five hundred fifty-six million, four hundred twenty-five thousand, nine hundred twenty".