50718491 has 2 divisors, whose sum is σ = 50718492. Its totient is φ = 50718490.

The previous prime is 50718461. The next prime is 50718523. The reversal of 50718491 is 19481705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50718491 - 2¹⁴ = 50702107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50718461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25359245 + 25359246.

It is an arithmetic number, because the mean of its divisors is an integer number (25359246).

Almost surely, 2^50718491 is an apocalyptic number.

50718491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50718491 is an equidigital number, since it uses as much as digits as its factorization.

50718491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 50718491 is about 7121.6915827632. The cubic root of 50718491 is about 370.1593932191.

The spelling of 50718491 in words is "fifty million, seven hundred eighteen thousand, four hundred ninety-one".