555880 has 32 divisors (see below), whose sum is σ = 1348200. Its totient is φ = 205056.

The previous prime is 555871. The next prime is 555931. The reversal of 555880 is 88555.

It is a happy number.

555880 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 4 ways, for example, as 338724 + 217156 = 582^2 + 466^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 1054.

2⁵⁵⁵⁸⁸⁰ 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 555880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674100).

555880 is an abundant number, since it is smaller than the sum of its proper divisors (792320).

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

555880 is a wasteful number, since it uses less digits than its factorization.

555880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 555880 is about 745.5736046830. The cubic root of 555880 is about 82.2230690062.

The spelling of 555880 in words is "five hundred fifty-five thousand, eight hundred eighty".