5520144 has 60 divisors (see below), whose sum is σ = 16595664. Its totient is φ = 1576512.

The previous prime is 5520131. The next prime is 5520157. The reversal of 5520144 is 4410255.

5520144 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 (5520131) and next prime (5520157).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 5520144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179 + ... + 3525.

Almost surely, 2^5520144 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 5520144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8297832).

5520144 is an abundant number, since it is smaller than the sum of its proper divisors (11075520).

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

5520144 is a wasteful number, since it uses less digits than its factorization.

5520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5520144 is about 2349.4986699294. The cubic root of 5520144 is about 176.7326552270.

Adding to 5520144 its reverse (4410255), we get a palindrome (9930399).

The spelling of 5520144 in words is "five million, five hundred twenty thousand, one hundred forty-four".