550080866 has 12 divisors (see below), whose sum is σ = 876513858. Its totient is φ = 258861312.

The previous prime is 550080847. The next prime is 550080929. The reversal of 550080866 is 668080055.

It can be written as a sum of positive squares in 3 ways, for example, as 463497841 + 86583025 = 21529^2 + 9305^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 475271 + ... + 476426.

Almost surely, 2^550080866 is an apocalyptic number.

550080866 is a deficient number, since it is larger than the sum of its proper divisors (326432992).

550080866 is a wasteful number, since it uses less digits than its factorization.

550080866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951733 (or 951716 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 550080866 is about 23453.8028046626. The cubic root of 550080866 is about 819.3614233200.

The spelling of 550080866 in words is "five hundred fifty million, eighty thousand, eight hundred sixty-six".