50840891 has 2 divisors, whose sum is σ = 50840892. Its totient is φ = 50840890.

The previous prime is 50840851. The next prime is 50840917. The reversal of 50840891 is 19804805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50840891 - 2¹⁴ = 50824507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50840851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25420445 + 25420446.

It is an arithmetic number, because the mean of its divisors is an integer number (25420446).

Almost surely, 2^50840891 is an apocalyptic number.

50840891 is a deficient number, since it is larger than the sum of its proper divisors (1).

50840891 is an equidigital number, since it uses as much as digits as its factorization.

50840891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 50840891 is about 7130.2798682801. The cubic root of 50840891 is about 370.4569251477.

The spelling of 50840891 in words is "fifty million, eight hundred forty thousand, eight hundred ninety-one".