556688172 has 48 divisors (see below), whose sum is σ = 1317657600. Its totient is φ = 182907648.

The previous prime is 556688161. The next prime is 556688177. The reversal of 556688172 is 271886655.

It is not an unprimeable number, because it can be changed into a prime (556688177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268813 + ... + 270875.

It is an arithmetic number, because the mean of its divisors is an integer number (27451200).

Almost surely, 2^556688172 is an apocalyptic number.

It is an amenable number.

556688172 is an abundant number, since it is smaller than the sum of its proper divisors (760969428).

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

556688172 is a wasteful number, since it uses less digits than its factorization.

556688172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2380 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 556688172 is about 23594.2402293441. The cubic root of 556688172 is about 822.6289666983.

The spelling of 556688172 in words is "five hundred fifty-six million, six hundred eighty-eight thousand, one hundred seventy-two".