55234432 has 32 divisors (see below), whose sum is σ = 120043800. Its totient is φ = 25105920.

The previous prime is 55234429. The next prime is 55234453. The reversal of 55234432 is 23443255.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 55234432.

It is a congruent number.

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, 18207 + ... + 21022.

Almost surely, 2^55234432 is an apocalyptic number.

It is an amenable number.

55234432 is an abundant number, since it is smaller than the sum of its proper divisors (64809368).

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

55234432 is a wasteful number, since it uses less digits than its factorization.

55234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39254 (or 39242 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 55234432 is about 7431.9870828736. The cubic root of 55234432 is about 380.8348036829.

Adding to 55234432 its reverse (23443255), we get a palindrome (78677687).

The spelling of 55234432 in words is "fifty-five million, two hundred thirty-four thousand, four hundred thirty-two".