5519844 has 72 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 1634880.

The previous prime is 5519819. The next prime is 5519879. The reversal of 5519844 is 4489155.

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 = 5519799 and 5519808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20857 + ... + 21119.

It is an arithmetic number, because the mean of its divisors is an integer number (216216).

Almost surely, 2^5519844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5519844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7783776).

5519844 is an abundant number, since it is smaller than the sum of its proper divisors (10047708).

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

5519844 is a wasteful number, since it uses less digits than its factorization.

5519844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 332 counting only the distinct ones).

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

The square root of 5519844 is about 2349.4348256549. The cubic root of 5519844 is about 176.7294535740.

The spelling of 5519844 in words is "five million, five hundred nineteen thousand, eight hundred forty-four".