50961109 has 2 divisors, whose sum is σ = 50961110. Its totient is φ = 50961108.

The previous prime is 50961107. The next prime is 50961151. The reversal of 50961109 is 90116905.

50961109 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., 31114084 + 19847025 = 5578^2 + 4455^2 .

It is a cyclic number.

It is not a de Polignac number, because 50961109 - 2¹ = 50961107 is a prime.

Together with 50961107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50961107) 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, 25480554 + 25480555.

It is an arithmetic number, because the mean of its divisors is an integer number (25480555).

Almost surely, 2^50961109 is an apocalyptic number.

It is an amenable number.

50961109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50961109 is an equidigital number, since it uses as much as digits as its factorization.

50961109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 50961109 is about 7138.7049946051. The cubic root of 50961109 is about 370.7486885488.

The spelling of 50961109 in words is "fifty million, nine hundred sixty-one thousand, one hundred nine".