556139164 has 24 divisors (see below), whose sum is σ = 1113055328. Its totient is φ = 238178880.

The previous prime is 556139159. The next prime is 556139189. The reversal of 556139164 is 461931655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39262 + ... + 51514.

Almost surely, 2^556139164 is an apocalyptic number.

It is an amenable number.

556139164 is an abundant number, since it is smaller than the sum of its proper divisors (556916164).

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

556139164 is a wasteful number, since it uses less digits than its factorization.

556139164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13885 (or 13883 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 556139164 is about 23582.6029945806. The cubic root of 556139164 is about 822.3584511421.

The spelling of 556139164 in words is "five hundred fifty-six million, one hundred thirty-nine thousand, one hundred sixty-four".