556767568 has 20 divisors (see below), whose sum is σ = 1232842720. Its totient is φ = 238614624.

The previous prime is 556767559. The next prime is 556767613. The reversal of 556767568 is 865767655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2485458 + ... + 2485681.

It is an arithmetic number, because the mean of its divisors is an integer number (61642136).

Almost surely, 2^556767568 is an apocalyptic number.

It is an amenable number.

556767568 is an abundant number, since it is smaller than the sum of its proper divisors (676075152).

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

556767568 is a wasteful number, since it uses less digits than its factorization.

556767568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971154 (or 4971148 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 55.

The square root of 556767568 is about 23595.9226986359. The cubic root of 556767568 is about 822.6680731784.

The spelling of 556767568 in words is "five hundred fifty-six million, seven hundred sixty-seven thousand, five hundred sixty-eight".