556868 has 12 divisors (see below), whose sum is σ = 1049580. Its totient is φ = 256992.

The previous prime is 556867. The next prime is 556883. The reversal of 556868 is 868655.

556868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 334084 + 222784 = 578^2 + 472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556861) 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, 5303 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (87465).

2⁵⁵⁶⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

556868 is a deficient number, since it is larger than the sum of its proper divisors (492712).

556868 is a wasteful number, since it uses less digits than its factorization.

556868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726 (or 10724 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 556868 is about 746.2358876388. The cubic root of 556868 is about 82.2717535610.

The spelling of 556868 in words is "five hundred fifty-six thousand, eight hundred sixty-eight".