556091404 has 48 divisors (see below), whose sum is σ = 1094607360. Its totient is φ = 245021760.

The previous prime is 556091399. The next prime is 556091407. The reversal of 556091404 is 404190655.

It is a self number, because there is not a number n which added to its sum of digits gives 556091404.

It is not an unprimeable number, because it can be changed into a prime (556091407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224179 + ... + 226645.

It is an arithmetic number, because the mean of its divisors is an integer number (22804320).

Almost surely, 2^556091404 is an apocalyptic number.

It is an amenable number.

556091404 is a deficient number, since it is larger than the sum of its proper divisors (538515956).

556091404 is a wasteful number, since it uses less digits than its factorization.

556091404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 556091404 is about 23581.5903619752. The cubic root of 556091404 is about 822.3349096939.

The spelling of 556091404 in words is "five hundred fifty-six million, ninety-one thousand, four hundred four".