55612432 has 20 divisors (see below), whose sum is σ = 108207360. Its totient is φ = 27687968.

The previous prime is 55612399. The next prime is 55612439. The reversal of 55612432 is 23421655.

It is a self number, because there is not a number n which added to its sum of digits gives 55612432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612439) 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, 3448 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (5410368).

Almost surely, 2^55612432 is an apocalyptic number.

It is an amenable number.

55612432 is a deficient number, since it is larger than the sum of its proper divisors (52594928).

55612432 is a wasteful number, since it uses less digits than its factorization.

55612432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790 (or 14784 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 55612432 is about 7457.3743368561. The cubic root of 55612432 is about 381.7015843249.

The spelling of 55612432 in words is "fifty-five million, six hundred twelve thousand, four hundred thirty-two".