550353211 has 4 divisors (see below), whose sum is σ = 551317624. Its totient is φ = 549388800.

The previous prime is 550353191. The next prime is 550353217. The reversal of 550353211 is 112353055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550353211 - 2⁵ = 550353179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550353217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481350 + ... + 482491.

It is an arithmetic number, because the mean of its divisors is an integer number (137829406).

Almost surely, 2^550353211 is an apocalyptic number.

550353211 is a deficient number, since it is larger than the sum of its proper divisors (964413).

550353211 is an equidigital number, since it uses as much as digits as its factorization.

550353211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964412.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 550353211 is about 23459.6080743051. The cubic root of 550353211 is about 819.4966229387.

It can be divided in two parts, 550353 and 211, that added together give a square (550564 = 742²).

The spelling of 550353211 in words is "five hundred fifty million, three hundred fifty-three thousand, two hundred eleven".