556768 has 24 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 274176.

The previous prime is 556763. The next prime is 556769. The reversal of 556768 is 867655.

556768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556763) by changing a digit.

556768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996 + ... + 4132.

It is an arithmetic number, because the mean of its divisors is an integer number (46368).

2⁵⁵⁶⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

556768 is a deficient number, since it is larger than the sum of its proper divisors (556064).

556768 is a wasteful number, since it uses less digits than its factorization.

556768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 266 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 556768 is about 746.1688816883. The cubic root of 556768 is about 82.2668285950.

The spelling of 556768 in words is "five hundred fifty-six thousand, seven hundred sixty-eight".