5515520 has 72 divisors (see below), whose sum is σ = 13735680. Its totient is φ = 2119680.

The previous prime is 5515513. The next prime is 5515541. The reversal of 5515520 is 255155.

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, 39611 + ... + 39749.

Almost surely, 2^5515520 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 5515520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6867840).

5515520 is an abundant number, since it is smaller than the sum of its proper divisors (8220160).

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

5515520 is a wasteful number, since it uses less digits than its factorization.

5515520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 5515520 is about 2348.5144240562. The cubic root of 5515520 is about 176.6832941907.

The spelling of 5515520 in words is "five million, five hundred fifteen thousand, five hundred twenty".