556568 has 16 divisors (see below), whose sum is σ = 1080000. Its totient is φ = 268576.

The previous prime is 556559. The next prime is 556573. The reversal of 556568 is 865655.

It is a congruent number.

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, 968 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (67500).

2⁵⁵⁶⁵⁶⁸ is an apocalyptic number.

556568 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

556568 is a deficient number, since it is larger than the sum of its proper divisors (523432).

556568 is a wasteful number, since it uses less digits than its factorization.

556568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2430 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 556568 is about 746.0348517328. The cubic root of 556568 is about 82.2569768936.

The spelling of 556568 in words is "five hundred fifty-six thousand, five hundred sixty-eight".