50408591 has 2 divisors, whose sum is σ = 50408592. Its totient is φ = 50408590.

The previous prime is 50408563. The next prime is 50408593. The reversal of 50408591 is 19580405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50408591 - 2¹⁴ = 50392207 is a prime.

Together with 50408593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50408593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25204295 + 25204296.

It is an arithmetic number, because the mean of its divisors is an integer number (25204296).

Almost surely, 2^50408591 is an apocalyptic number.

50408591 is a deficient number, since it is larger than the sum of its proper divisors (1).

50408591 is an equidigital number, since it uses as much as digits as its factorization.

50408591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 50408591 is about 7099.9007739545. The cubic root of 50408591 is about 369.4039367869.

Adding to 50408591 its reverse (19580405), we get a palindrome (69988996).

It can be divided in two parts, 5040 and 8591, that added together give a palindrome (13631).

The spelling of 50408591 in words is "fifty million, four hundred eight thousand, five hundred ninety-one".