556944 has 40 divisors (see below), whose sum is σ = 1479072. Its totient is φ = 180480.

The previous prime is 556943. The next prime is 556957. The reversal of 556944 is 449655.

556944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (556943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827 + ... + 2109.

2⁵⁵⁶⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739536).

556944 is an abundant number, since it is smaller than the sum of its proper divisors (922128).

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

556944 is a wasteful number, since it uses less digits than its factorization.

556944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 556944 is about 746.2868081375. The cubic root of 556944 is about 82.2754961408.

The spelling of 556944 in words is "five hundred fifty-six thousand, nine hundred forty-four".