550323211 has 2 divisors, whose sum is σ = 550323212. Its totient is φ = 550323210.

The previous prime is 550323209. The next prime is 550323217. The reversal of 550323211 is 112323055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550323211 - 2¹ = 550323209 is a prime.

Together with 550323209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (550323217) by changing a digit.

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 as a sum of consecutive naturals, namely, 275161605 + 275161606.

It is an arithmetic number, because the mean of its divisors is an integer number (275161606).

Almost surely, 2^550323211 is an apocalyptic number.

550323211 is a deficient number, since it is larger than the sum of its proper divisors (1).

550323211 is an equidigital number, since it uses as much as digits as its factorization.

550323211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 550323211 is about 23458.9686687203. The cubic root of 550323211 is about 819.4817322921.

Adding to 550323211 its reverse (112323055), we get a palindrome (662646266).

It can be divided in two parts, 550 and 323211, that added together give a square (323761 = 569²).

The spelling of 550323211 in words is "five hundred fifty million, three hundred twenty-three thousand, two hundred eleven".