5561808 has 40 divisors (see below), whose sum is σ = 16421568. Its totient is φ = 1588992.

The previous prime is 5561779. The next prime is 5561819. The reversal of 5561808 is 8081655.

It is an Ulam number.

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, 7941 + ... + 8612.

Almost surely, 2^5561808 is an apocalyptic number.

It is an amenable number.

5561808 is an abundant number, since it is smaller than the sum of its proper divisors (10859760).

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

5561808 is a wasteful number, since it uses less digits than its factorization.

5561808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571 (or 16565 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 5561808 is about 2358.3485747446. The cubic root of 5561808 is about 177.1761787571.

The spelling of 5561808 in words is "five million, five hundred sixty-one thousand, eight hundred eight".