550566211 has 16 divisors (see below), whose sum is σ = 624960000. Its totient is φ = 480822048.

The previous prime is 550566197. The next prime is 550566221. The reversal of 550566211 is 112665055.

It is a cyclic number.

It is not a de Polignac number, because 550566211 - 2⁹ = 550565699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550566221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 366540 + ... + 368038.

It is an arithmetic number, because the mean of its divisors is an integer number (39060000).

Almost surely, 2^550566211 is an apocalyptic number.

550566211 is a deficient number, since it is larger than the sum of its proper divisors (74393789).

550566211 is a wasteful number, since it uses less digits than its factorization.

550566211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 550566211 is about 23464.1473529297. The cubic root of 550566211 is about 819.6023309721.

The spelling of 550566211 in words is "five hundred fifty million, five hundred sixty-six thousand, two hundred eleven".