550666808 has 16 divisors (see below), whose sum is σ = 1032750000. Its totient is φ = 275266816.

The previous prime is 550666799. The next prime is 550666843. The reversal of 550666808 is 808666055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56693 + ... + 65691.

It is an arithmetic number, because the mean of its divisors is an integer number (64546875).

Almost surely, 2^550666808 is an apocalyptic number.

It is an amenable number.

550666808 is a deficient number, since it is larger than the sum of its proper divisors (482083192).

550666808 is a wasteful number, since it uses less digits than its factorization.

550666808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654 (or 16650 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 550666808 is about 23466.2908871428. The cubic root of 550666808 is about 819.6522459584.

The spelling of 550666808 in words is "five hundred fifty million, six hundred sixty-six thousand, eight hundred eight".