50136091 has 2 divisors, whose sum is σ = 50136092. Its totient is φ = 50136090.

The previous prime is 50136089. The next prime is 50136131. The reversal of 50136091 is 19063105.

50136091 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 50136091 - 2¹ = 50136089 is a prime.

Together with 50136089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50133091) 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, 25068045 + 25068046.

It is an arithmetic number, because the mean of its divisors is an integer number (25068046).

Almost surely, 2^50136091 is an apocalyptic number.

50136091 is a deficient number, since it is larger than the sum of its proper divisors (1).

50136091 is an equidigital number, since it uses as much as digits as its factorization.

50136091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 50136091 is about 7080.6843595799. The cubic root of 50136091 is about 368.7370894264.

Adding to 50136091 its reverse (19063105), we get a palindrome (69199196).

The spelling of 50136091 in words is "fifty million, one hundred thirty-six thousand, ninety-one".