550427660 has 12 divisors (see below), whose sum is σ = 1155898128. Its totient is φ = 220171056.

The previous prime is 550427659. The next prime is 550427677. The reversal of 550427660 is 66724055.

It is a self number, because there is not a number n which added to its sum of digits gives 550427660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13760672 + ... + 13760711.

It is an arithmetic number, because the mean of its divisors is an integer number (96324844).

Almost surely, 2^550427660 is an apocalyptic number.

It is an amenable number.

550427660 is an abundant number, since it is smaller than the sum of its proper divisors (605470468).

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

550427660 is a wasteful number, since it uses less digits than its factorization.

550427660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521392 (or 27521390 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 550427660 is about 23461.1947692354. The cubic root of 550427660 is about 819.5335737259.

The spelling of 550427660 in words is "five hundred fifty million, four hundred twenty-seven thousand, six hundred sixty".