5515580 has 24 divisors (see below), whose sum is σ = 13237728. Its totient is φ = 1891008.

The previous prime is 5515579. The next prime is 5515589. The reversal of 5515580 is 855155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19559 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (551572).

Almost surely, 2^5515580 is an apocalyptic number.

It is an amenable number.

5515580 is an abundant number, since it is smaller than the sum of its proper divisors (7722148).

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

5515580 is a wasteful number, since it uses less digits than its factorization.

5515580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39413 (or 39411 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 5515580 is about 2348.5271980541. The cubic root of 5515580 is about 176.6839348652.

The spelling of 5515580 in words is "five million, five hundred fifteen thousand, five hundred eighty".