557432 has 16 divisors (see below), whose sum is σ = 1063800. Its totient is φ = 273760.

The previous prime is 557423. The next prime is 557443. The reversal of 557432 is 234755.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 1062.

2⁵⁵⁷⁴³² is an apocalyptic number.

It is an amenable number.

557432 is a deficient number, since it is larger than the sum of its proper divisors (506368).

557432 is a wasteful number, since it uses less digits than its factorization.

557432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1242 counting only the distinct ones).

The product of its digits is 4200, while the sum is 26.

The square root of 557432 is about 746.6136885967. The cubic root of 557432 is about 82.2995193347.

It can be divided in two parts, 557 and 432, that added together give a palindrome (989).

The spelling of 557432 in words is "five hundred fifty-seven thousand, four hundred thirty-two".