5518944 has 36 divisors (see below), whose sum is σ = 15695316. Its totient is φ = 1839552.

The previous prime is 5518937. The next prime is 5518951. The reversal of 5518944 is 4498155.

5518944 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5518937) and next prime (5518951).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 5518899 and 5518908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9294 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (435981).

Almost surely, 2^5518944 is an apocalyptic number.

It is an amenable number.

5518944 is an abundant number, since it is smaller than the sum of its proper divisors (10176372).

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

5518944 is a wasteful number, since it uses less digits than its factorization.

5518944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19179 (or 19168 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5518944 is about 2349.2432824210. The cubic root of 5518944 is about 176.7198479189.

The spelling of 5518944 in words is "five million, five hundred eighteen thousand, nine hundred forty-four".