50568391 has 2 divisors, whose sum is σ = 50568392. Its totient is φ = 50568390.

The previous prime is 50568383. The next prime is 50568407. The reversal of 50568391 is 19386505.

50568391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50568391 - 2³ = 50568383 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50568391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50568311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25284195 + 25284196.

It is an arithmetic number, because the mean of its divisors is an integer number (25284196).

Almost surely, 2^50568391 is an apocalyptic number.

50568391 is a deficient number, since it is larger than the sum of its proper divisors (1).

50568391 is an equidigital number, since it uses as much as digits as its factorization.

50568391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 50568391 is about 7111.1455476597. The cubic root of 50568391 is about 369.7938735012.

The spelling of 50568391 in words is "fifty million, five hundred sixty-eight thousand, three hundred ninety-one".