556443372 has 12 divisors (see below), whose sum is σ = 1298367896. Its totient is φ = 185481120.

The previous prime is 556443361. The next prime is 556443379. The reversal of 556443372 is 273344655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 556443372.

It is not an unprimeable number, because it can be changed into a prime (556443379) 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, 23185129 + ... + 23185152.

Almost surely, 2^556443372 is an apocalyptic number.

It is an amenable number.

556443372 is an abundant number, since it is smaller than the sum of its proper divisors (741924524).

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

556443372 is a wasteful number, since it uses less digits than its factorization.

556443372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46370288 (or 46370286 counting only the distinct ones).

The product of its digits is 302400, while the sum is 39.

The square root of 556443372 is about 23589.0519521239. The cubic root of 556443372 is about 822.5083671078.

The spelling of 556443372 in words is "five hundred fifty-six million, four hundred forty-three thousand, three hundred seventy-two".