556256 has 12 divisors (see below), whose sum is σ = 1095192. Its totient is φ = 278112.

The previous prime is 556253. The next prime is 556261. The reversal of 556256 is 652655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8660 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (91266).

2⁵⁵⁶²⁵⁶ is an apocalyptic number.

It is an amenable number.

556256 is a deficient number, since it is larger than the sum of its proper divisors (538936).

556256 is a wasteful number, since it uses less digits than its factorization.

556256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17393 (or 17385 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 556256 is about 745.8257169071. The cubic root of 556256 is about 82.2416035257.

The spelling of 556256 in words is "five hundred fifty-six thousand, two hundred fifty-six".