50243191 has 2 divisors, whose sum is σ = 50243192. Its totient is φ = 50243190.

The previous prime is 50243189. The next prime is 50243197. The reversal of 50243191 is 19134205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50243191 - 2¹ = 50243189 is a prime.

Together with 50243189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50243197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25121595 + 25121596.

It is an arithmetic number, because the mean of its divisors is an integer number (25121596).

Almost surely, 2^50243191 is an apocalyptic number.

50243191 is a deficient number, since it is larger than the sum of its proper divisors (1).

50243191 is an equidigital number, since it uses as much as digits as its factorization.

50243191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 50243191 is about 7088.2431532785. The cubic root of 50243191 is about 368.9994663173. Note that the first 3 decimals are identical.

Adding to 50243191 its reverse (19134205), we get a palindrome (69377396).

The spelling of 50243191 in words is "fifty million, two hundred forty-three thousand, one hundred ninety-one".