556280 has 16 divisors (see below), whose sum is σ = 1251720. Its totient is φ = 222496.

The previous prime is 556279. The next prime is 556289. The reversal of 556280 is 82655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6914 + ... + 6993.

2⁵⁵⁶²⁸⁰ is an apocalyptic number.

It is an amenable number.

556280 is an abundant number, since it is smaller than the sum of its proper divisors (695440).

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

556280 is a wasteful number, since it uses less digits than its factorization.

556280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918 (or 13914 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 556280 is about 745.8418062833. The cubic root of 556280 is about 82.2427862965.

The spelling of 556280 in words is "five hundred fifty-six thousand, two hundred eighty".