50685911 has 2 divisors, whose sum is σ = 50685912. Its totient is φ = 50685910.

The previous prime is 50685907. The next prime is 50685913. The reversal of 50685911 is 11958605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50685911 - 2² = 50685907 is a prime.

Together with 50685913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50685913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25342955 + 25342956.

It is an arithmetic number, because the mean of its divisors is an integer number (25342956).

Almost surely, 2^50685911 is an apocalyptic number.

50685911 is a deficient number, since it is larger than the sum of its proper divisors (1).

50685911 is an equidigital number, since it uses as much as digits as its factorization.

50685911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 50685911 is about 7119.4038374010. The cubic root of 50685911 is about 370.0801165687.

The spelling of 50685911 in words is "fifty million, six hundred eighty-five thousand, nine hundred eleven".