50717791 has 2 divisors, whose sum is σ = 50717792. Its totient is φ = 50717790.

The previous prime is 50717759. The next prime is 50717803. The reversal of 50717791 is 19771705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50717791 - 2⁵ = 50717759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50717791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50712791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25358895 + 25358896.

It is an arithmetic number, because the mean of its divisors is an integer number (25358896).

Almost surely, 2^50717791 is an apocalyptic number.

50717791 is a deficient number, since it is larger than the sum of its proper divisors (1).

50717791 is an equidigital number, since it uses as much as digits as its factorization.

50717791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435, while the sum is 37.

The square root of 50717791 is about 7121.6424369663. The cubic root of 50717791 is about 370.1576902717.

The spelling of 50717791 in words is "fifty million, seven hundred seventeen thousand, seven hundred ninety-one".