5520440 has 32 divisors (see below), whose sum is σ = 12852000. Its totient is φ = 2131584.

The previous prime is 5520421. The next prime is 5520457. The reversal of 5520440 is 440255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (401625).

Almost surely, 2^5520440 is an apocalyptic number.

It is an amenable number.

5520440 is an abundant number, since it is smaller than the sum of its proper divisors (7331560).

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

5520440 is a wasteful number, since it uses less digits than its factorization.

5520440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5520440 is about 2349.5616612466. The cubic root of 5520440 is about 176.7358140777.

Adding to 5520440 its reverse (440255), we get a palindrome (5960695).

The spelling of 5520440 in words is "five million, five hundred twenty thousand, four hundred forty".