50172211 has 4 divisors (see below), whose sum is σ = 50254672. Its totient is φ = 50089752.

The previous prime is 50172209. The next prime is 50172263. The reversal of 50172211 is 11227105.

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 50172211 - 2¹ = 50172209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50172281) 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, 40311 + ... + 41536.

It is an arithmetic number, because the mean of its divisors is an integer number (12563668).

Almost surely, 2^50172211 is an apocalyptic number.

50172211 is a deficient number, since it is larger than the sum of its proper divisors (82461).

50172211 is an equidigital number, since it uses as much as digits as its factorization.

50172211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82460.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 50172211 is about 7083.2345012713. The cubic root of 50172211 is about 368.8256190413.

Adding to 50172211 its reverse (11227105), we get a palindrome (61399316).

The spelling of 50172211 in words is "fifty million, one hundred seventy-two thousand, two hundred eleven".