50111309 has 2 divisors, whose sum is σ = 50111310. Its totient is φ = 50111308.

The previous prime is 50111293. The next prime is 50111323. The reversal of 50111309 is 90311105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50098084 + 13225 = 7078^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 50111309 - 2⁴ = 50111293 is a prime.

It is a super-2 number, since 2×50111309² = 5022286579386962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50111329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055654 + 25055655.

It is an arithmetic number, because the mean of its divisors is an integer number (25055655).

Almost surely, 2^50111309 is an apocalyptic number.

It is an amenable number.

50111309 is a deficient number, since it is larger than the sum of its proper divisors (1).

50111309 is an equidigital number, since it uses as much as digits as its factorization.

50111309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 50111309 is about 7078.9341711871. The cubic root of 50111309 is about 368.6763244936.

The spelling of 50111309 in words is "fifty million, one hundred eleven thousand, three hundred nine".