550333566 has 12 divisors (see below), whose sum is σ = 1192389432. Its totient is φ = 183444516.

The previous prime is 550333451. The next prime is 550333583. The reversal of 550333566 is 665333055.

It is a self number, because there is not a number n which added to its sum of digits gives 550333566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15287026 + ... + 15287061.

It is an arithmetic number, because the mean of its divisors is an integer number (99365786).

Almost surely, 2^550333566 is an apocalyptic number.

550333566 is an abundant number, since it is smaller than the sum of its proper divisors (642055866).

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

550333566 is a wasteful number, since it uses less digits than its factorization.

550333566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30574095 (or 30574092 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The square root of 550333566 is about 23459.1893721842. The cubic root of 550333566 is about 819.4868721081.

The spelling of 550333566 in words is "five hundred fifty million, three hundred thirty-three thousand, five hundred sixty-six".