50108561 has 2 divisors, whose sum is σ = 50108562. Its totient is φ = 50108560.

The previous prime is 50108557. The next prime is 50108581. The reversal of 50108561 is 16580105.

50108561 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., 35046400 + 15062161 = 5920^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 50108561 - 2² = 50108557 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50108561.

It is not a weakly prime, because it can be changed into another prime (50108521) 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, 25054280 + 25054281.

It is an arithmetic number, because the mean of its divisors is an integer number (25054281).

Almost surely, 2^50108561 is an apocalyptic number.

It is an amenable number.

50108561 is a deficient number, since it is larger than the sum of its proper divisors (1).

50108561 is an equidigital number, since it uses as much as digits as its factorization.

50108561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 50108561 is about 7078.7400715099. The cubic root of 50108561 is about 368.6695852227.

Adding to 50108561 its reverse (16580105), we get a palindrome (66688666).

The spelling of 50108561 in words is "fifty million, one hundred eight thousand, five hundred sixty-one".