49959109 has 2 divisors, whose sum is σ = 49959110. Its totient is φ = 49959108.

The previous prime is 49959101. The next prime is 49959131. The reversal of 49959109 is 90195994.

49959109 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 can be written as a sum of positive squares in only one way, i.e., 42380100 + 7579009 = 6510^2 + 2753^2 .

It is a cyclic number.

It is not a de Polignac number, because 49959109 - 2³ = 49959101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49959101) 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, 24979554 + 24979555.

It is an arithmetic number, because the mean of its divisors is an integer number (24979555).

Almost surely, 2^49959109 is an apocalyptic number.

It is an amenable number.

49959109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49959109 is an equidigital number, since it uses as much as digits as its factorization.

49959109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 49959109 is about 7068.1757901173. The cubic root of 49959109 is about 368.3026933193.

The spelling of 49959109 in words is "forty-nine million, nine hundred fifty-nine thousand, one hundred nine".