55844039 has 4 divisors (see below), whose sum is σ = 55890000. Its totient is φ = 55798080.

The previous prime is 55844027. The next prime is 55844083. The reversal of 55844039 is 93044855.

It is a happy number.

55844039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55844039 - 2⁸ = 55843783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55843993 and 55844011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55844539) 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 3 ways as a sum of consecutive naturals, for example, 21107 + ... + 23604.

It is an arithmetic number, because the mean of its divisors is an integer number (13972500).

Almost surely, 2^55844039 is an apocalyptic number.

55844039 is a deficient number, since it is larger than the sum of its proper divisors (45961).

55844039 is a wasteful number, since it uses less digits than its factorization.

55844039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45960.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 55844039 is about 7472.8869254124. The cubic root of 55844039 is about 382.2307364917.

The spelling of 55844039 in words is "fifty-five million, eight hundred forty-four thousand, thirty-nine".