50856791 has 2 divisors, whose sum is σ = 50856792. Its totient is φ = 50856790.

The previous prime is 50856763. The next prime is 50856797. The reversal of 50856791 is 19765805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50856791 - 2¹⁰ = 50855767 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 (50856797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25428395 + 25428396.

It is an arithmetic number, because the mean of its divisors is an integer number (25428396).

Almost surely, 2^50856791 is an apocalyptic number.

50856791 is a deficient number, since it is larger than the sum of its proper divisors (1).

50856791 is an equidigital number, since it uses as much as digits as its factorization.

50856791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 50856791 is about 7131.3947443680. The cubic root of 50856791 is about 370.4955400700.

The spelling of 50856791 in words is "fifty million, eight hundred fifty-six thousand, seven hundred ninety-one".