556323432 has 64 divisors (see below), whose sum is σ = 1591374720. Its totient is φ = 158761728.

The previous prime is 556323431. The next prime is 556323433. The reversal of 556323432 is 234323655.

It is an interprime number because it is at equal distance from previous prime (556323431) and next prime (556323433).

It is a junction number, because it is equal to n+sod(n) for n = 556323393 and 556323402.

It is not an unprimeable number, because it can be changed into a prime (556323431) 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 15 ways as a sum of consecutive naturals, for example, 206478 + ... + 209154.

It is an arithmetic number, because the mean of its divisors is an integer number (24865230).

Almost surely, 2^556323432 is an apocalyptic number.

It is an amenable number.

556323432 is an abundant number, since it is smaller than the sum of its proper divisors (1035051288).

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

556323432 is a wasteful number, since it uses less digits than its factorization.

556323432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3926 counting only the distinct ones).

The product of its digits is 64800, while the sum is 33.

The square root of 556323432 is about 23586.5095340536. The cubic root of 556323432 is about 822.4492663096.

The spelling of 556323432 in words is "five hundred fifty-six million, three hundred twenty-three thousand, four hundred thirty-two".