55044388 has 24 divisors (see below), whose sum is σ = 110305664. Its totient is φ = 23544000.

The previous prime is 55044373. The next prime is 55044389. The reversal of 55044388 is 88344055.

It is a happy number.

55044388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55044389) 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 7 ways as a sum of consecutive naturals, for example, 15193 + ... + 18463.

Almost surely, 2^55044388 is an apocalyptic number.

It is an amenable number.

55044388 is an abundant number, since it is smaller than the sum of its proper divisors (55261276).

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

55044388 is a wasteful number, since it uses less digits than its factorization.

55044388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 55044388 is about 7419.1905218831. The cubic root of 55044388 is about 380.3975249019.

The spelling of 55044388 in words is "fifty-five million, forty-four thousand, three hundred eighty-eight".