49705091 has 2 divisors, whose sum is σ = 49705092. Its totient is φ = 49705090.

The previous prime is 49705087. The next prime is 49705109. The reversal of 49705091 is 19050794.

49705091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (49705109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49705091 - 2² = 49705087 is a prime.

It is not a weakly prime, because it can be changed into another prime (49705021) 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, 24852545 + 24852546.

It is an arithmetic number, because the mean of its divisors is an integer number (24852546).

Almost surely, 2^49705091 is an apocalyptic number.

49705091 is a deficient number, since it is larger than the sum of its proper divisors (1).

49705091 is an equidigital number, since it uses as much as digits as its factorization.

49705091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 49705091 is about 7050.1837564705. The cubic root of 49705091 is about 367.6774184600.

The spelling of 49705091 in words is "forty-nine million, seven hundred five thousand, ninety-one".