48109091 has 2 divisors, whose sum is σ = 48109092. Its totient is φ = 48109090.

The previous prime is 48109079. The next prime is 48109093. The reversal of 48109091 is 19090184.

48109091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48109091 is a prime.

It is a Sophie Germain prime.

Together with 48109093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48109093) 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, 24054545 + 24054546.

It is an arithmetic number, because the mean of its divisors is an integer number (24054546).

Almost surely, 2^48109091 is an apocalyptic number.

48109091 is a deficient number, since it is larger than the sum of its proper divisors (1).

48109091 is an equidigital number, since it uses as much as digits as its factorization.

48109091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 48109091 is about 6936.0717268494. The cubic root of 48109091 is about 363.6992317837.

The spelling of 48109091 in words is "forty-eight million, one hundred nine thousand, ninety-one".