556432 has 20 divisors (see below), whose sum is σ = 1093680. Its totient is φ = 274208.

The previous prime is 556403. The next prime is 556441. The reversal of 556432 is 234655.

It is a junction number, because it is equal to n+sod(n) for n = 556397 and 556406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119 + ... + 1537.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

2⁵⁵⁶⁴³² is an apocalyptic number.

It is an amenable number.

556432 is a deficient number, since it is larger than the sum of its proper divisors (537248).

556432 is a wasteful number, since it uses less digits than its factorization.

556432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 504 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 556432 is about 745.9436976073. The cubic root of 556432 is about 82.2502763885.

The spelling of 556432 in words is "five hundred fifty-six thousand, four hundred thirty-two".