5515040 has 24 divisors (see below), whose sum is σ = 13029660. Its totient is φ = 2205952.

The previous prime is 5515039. The next prime is 5515043. The reversal of 5515040 is 405155.

It can be written as a sum of positive squares in 2 ways, for example, as 5513104 + 1936 = 2348^2 + 44^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5515043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17075 + ... + 17394.

Almost surely, 2^5515040 is an apocalyptic number.

It is an amenable number.

5515040 is an abundant number, since it is smaller than the sum of its proper divisors (7514620).

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

5515040 is a wasteful number, since it uses less digits than its factorization.

5515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34484 (or 34476 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5515040 is about 2348.4122295713. The cubic root of 5515040 is about 176.6781686274.

The spelling of 5515040 in words is "five million, five hundred fifteen thousand, forty".