556880 has 20 divisors (see below), whose sum is σ = 1294932. Its totient is φ = 222720.

The previous prime is 556867. The next prime is 556883. The reversal of 556880 is 88655.

556880 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 322624 + 234256 = 568^2 + 484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556883) by changing a digit.

556880 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, 3401 + ... + 3560.

2⁵⁵⁶⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

556880 is an abundant number, since it is smaller than the sum of its proper divisors (738052).

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

556880 is a wasteful number, since it uses less digits than its factorization.

556880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974 (or 6968 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 556880 is about 746.2439279485. The cubic root of 556880 is about 82.2723445172.

The spelling of 556880 in words is "five hundred fifty-six thousand, eight hundred eighty".