556180 has 12 divisors (see below), whose sum is σ = 1168020. Its totient is φ = 222464.

The previous prime is 556177. The next prime is 556181. The reversal of 556180 is 81655.

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 258064 = 546^2 + 508^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13885 + ... + 13924.

It is an arithmetic number, because the mean of its divisors is an integer number (97335).

2⁵⁵⁶¹⁸⁰ is an apocalyptic number.

It is an amenable number.

556180 is an abundant number, since it is smaller than the sum of its proper divisors (611840).

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

556180 is a wasteful number, since it uses less digits than its factorization.

556180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27818 (or 27816 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 556180 is about 745.7747649257. The cubic root of 556180 is about 82.2378578603.

It can be divided in two parts, 55 and 6180, that multiplied together give a triangular number (339900 = T₈₂₄).

The spelling of 556180 in words is "five hundred fifty-six thousand, one hundred eighty".