50263391 has 2 divisors, whose sum is σ = 50263392. Its totient is φ = 50263390.

The previous prime is 50263361. The next prime is 50263397. The reversal of 50263391 is 19336205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50263391 - 2⁶ = 50263327 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 (50263397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25131695 + 25131696.

It is an arithmetic number, because the mean of its divisors is an integer number (25131696).

Almost surely, 2^50263391 is an apocalyptic number.

50263391 is a deficient number, since it is larger than the sum of its proper divisors (1).

50263391 is an equidigital number, since it uses as much as digits as its factorization.

50263391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 50263391 is about 7089.6679047752. The cubic root of 50263391 is about 369.0489110969.

Adding to 50263391 its reverse (19336205), we get a palindrome (69599596).

The spelling of 50263391 in words is "fifty million, two hundred sixty-three thousand, three hundred ninety-one".