50605091 has 2 divisors, whose sum is σ = 50605092. Its totient is φ = 50605090.

The previous prime is 50605081. The next prime is 50605097. The reversal of 50605091 is 19050605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50605091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50605091.

It is not a weakly prime, because it can be changed into another prime (50605097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302545 + 25302546.

It is an arithmetic number, because the mean of its divisors is an integer number (25302546).

Almost surely, 2^50605091 is an apocalyptic number.

50605091 is a deficient number, since it is larger than the sum of its proper divisors (1).

50605091 is an equidigital number, since it uses as much as digits as its factorization.

50605091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 50605091 is about 7113.7255358919. The cubic root of 50605091 is about 369.8833111456.

Adding to 50605091 its reverse (19050605), we get a palindrome (69655696).

The spelling of 50605091 in words is "fifty million, six hundred five thousand, ninety-one".