5504224 has 48 divisors (see below), whose sum is σ = 12458880. Its totient is φ = 2367360.

The previous prime is 5504207. The next prime is 5504237. The reversal of 5504224 is 4224055.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 5504195 and 5504204.

It is a congruent number.

It is an unprimeable number.

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, 6277 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (259560).

Almost surely, 2^5504224 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 5504224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6229440).

5504224 is an abundant number, since it is smaller than the sum of its proper divisors (6954656).

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

5504224 is a wasteful number, since it uses less digits than its factorization.

5504224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5504224 is about 2346.1082668965. The cubic root of 5504224 is about 176.5625936617.

Adding to 5504224 its reverse (4224055), we get a palindrome (9728279).

It can be divided in two parts, 550 and 4224, that added together give a palindrome (4774).

The spelling of 5504224 in words is "five million, five hundred four thousand, two hundred twenty-four".