50138717 has 2 divisors, whose sum is σ = 50138718. Its totient is φ = 50138716.

The previous prime is 50138681. The next prime is 50138789. The reversal of 50138717 is 71783105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 872356 = 7019^2 + 934^2 .

It is a cyclic number.

It is not a de Polignac number, because 50138717 - 2⁶ = 50138653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50138317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25069358 + 25069359.

It is an arithmetic number, because the mean of its divisors is an integer number (25069359).

Almost surely, 2^50138717 is an apocalyptic number.

It is an amenable number.

50138717 is a deficient number, since it is larger than the sum of its proper divisors (1).

50138717 is an equidigital number, since it uses as much as digits as its factorization.

50138717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 50138717 is about 7080.8697912050. The cubic root of 50138717 is about 368.7435271487.

The spelling of 50138717 in words is "fifty million, one hundred thirty-eight thousand, seven hundred seventeen".