5518562808 has 32 divisors (see below), whose sum is σ = 15050626560. Its totient is φ = 1672291680.

The previous prime is 5518562789. The next prime is 5518562843. The reversal of 5518562808 is 8082658155.

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, 10451560 + ... + 10452087.

It is an arithmetic number, because the mean of its divisors is an integer number (470332080).

Almost surely, 2^5518562808 is an apocalyptic number.

It is an amenable number.

5518562808 is an abundant number, since it is smaller than the sum of its proper divisors (9532063752).

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

5518562808 is a wasteful number, since it uses less digits than its factorization.

5518562808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20903667 (or 20903663 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The square root of 5518562808 is about 74287.0298773615. The cubic root of 5518562808 is about 1767.1577916085.

The spelling of 5518562808 in words is "five billion, five hundred eighteen million, five hundred sixty-two thousand, eight hundred eight".