556924172 has 12 divisors (see below), whose sum is σ = 1113848400. Its totient is φ = 238681776.

The previous prime is 556924169. The next prime is 556924177. The reversal of 556924172 is 271429655.

556924172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (556924177) 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, 9945047 + ... + 9945102.

It is an arithmetic number, because the mean of its divisors is an integer number (92820700).

Almost surely, 2^556924172 is an apocalyptic number.

It is an amenable number.

556924172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

556924172 is a wasteful number, since it uses less digits than its factorization.

556924172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19890160 (or 19890158 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 556924172 is about 23599.2409199957. The cubic root of 556924172 is about 822.7451975423.

The spelling of 556924172 in words is "five hundred fifty-six million, nine hundred twenty-four thousand, one hundred seventy-two".