556574394 has 16 divisors (see below), whose sum is σ = 1116306432. Its totient is φ = 184998528.

The previous prime is 556574377. The next prime is 556574437. The reversal of 556574394 is 493475655.

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, 129274 + ... + 133509.

It is an arithmetic number, because the mean of its divisors is an integer number (69769152).

Almost surely, 2^556574394 is an apocalyptic number.

556574394 is an abundant number, since it is smaller than the sum of its proper divisors (559732038).

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

556574394 is a wasteful number, since it uses less digits than its factorization.

556574394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263141.

The product of its digits is 2268000, while the sum is 48.

The square root of 556574394 is about 23591.8289668266. The cubic root of 556574394 is about 822.5729188900.

The spelling of 556574394 in words is "five hundred fifty-six million, five hundred seventy-four thousand, three hundred ninety-four".