556388632 has 16 divisors (see below), whose sum is σ = 1065425760. Its totient is φ = 272275104.

The previous prime is 556388621. The next prime is 556388639. The reversal of 556388632 is 236883655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556388639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739503 + ... + 740254.

It is an arithmetic number, because the mean of its divisors is an integer number (66589110).

Almost surely, 2^556388632 is an apocalyptic number.

It is an amenable number.

556388632 is a deficient number, since it is larger than the sum of its proper divisors (509037128).

556388632 is a wasteful number, since it uses less digits than its factorization.

556388632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479810 (or 1479806 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The square root of 556388632 is about 23587.8916395680. The cubic root of 556388632 is about 822.4813948607.

The spelling of 556388632 in words is "five hundred fifty-six million, three hundred eighty-eight thousand, six hundred thirty-two".