555432 has 16 divisors (see below), whose sum is σ = 1388640. Its totient is φ = 185136.

The previous prime is 555421. The next prime is 555439. The reversal of 555432 is 234555.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 23143 = 555432 / (5 + 5 + 5 + 4 + 3 + 2).

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555432.

It is not an unprimeable number, because it can be changed into a prime (555439) 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, 11548 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (86790).

2⁵⁵⁵⁴³² is an apocalyptic number.

It is an amenable number.

555432 is an abundant number, since it is smaller than the sum of its proper divisors (833208).

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

555432 is a wasteful number, since it uses less digits than its factorization.

555432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23152 (or 23148 counting only the distinct ones).

The product of its digits is 3000, while the sum is 24.

The square root of 555432 is about 745.2731043047. The cubic root of 555432 is about 82.2009744084.

Adding to 555432 its reverse (234555), we get a palindrome (789987).

The spelling of 555432 in words is "five hundred fifty-five thousand, four hundred thirty-two".