55944432 has 60 divisors (see below), whose sum is σ = 162376760. Its totient is φ = 18646848.

The previous prime is 55944431. The next prime is 55944437. The reversal of 55944432 is 23444955.

It is a happy number.

55944432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55944431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3307 + ... + 11082.

Almost surely, 2^55944432 is an apocalyptic number.

It is an amenable number.

55944432 is an abundant number, since it is smaller than the sum of its proper divisors (106432328).

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

55944432 is a wasteful number, since it uses less digits than its factorization.

55944432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412 (or 14394 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 55944432 is about 7479.6010588801. The cubic root of 55944432 is about 382.4596497228.

The spelling of 55944432 in words is "fifty-five million, nine hundred forty-four thousand, four hundred thirty-two".