50805947 has 2 divisors, whose sum is σ = 50805948. Its totient is φ = 50805946.

The previous prime is 50805889. The next prime is 50805949. The reversal of 50805947 is 74950805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50805947 is a prime.

Together with 50805949, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50805947.

It is not a weakly prime, because it can be changed into another prime (50805949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25402973 + 25402974.

It is an arithmetic number, because the mean of its divisors is an integer number (25402974).

Almost surely, 2^50805947 is an apocalyptic number.

50805947 is a deficient number, since it is larger than the sum of its proper divisors (1).

50805947 is an equidigital number, since it uses as much as digits as its factorization.

50805947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 50805947 is about 7127.8290523833. The cubic root of 50805947 is about 370.3720314495.

The spelling of 50805947 in words is "fifty million, eight hundred five thousand, nine hundred forty-seven".