50507689 has 2 divisors, whose sum is σ = 50507690. Its totient is φ = 50507688.

The previous prime is 50507687. The next prime is 50507707. The reversal of 50507689 is 98670505.

It is a happy number.

50507689 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., 30437289 + 20070400 = 5517^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 50507689 - 2¹ = 50507687 is a prime.

Together with 50507687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50507683) 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, 25253844 + 25253845.

It is an arithmetic number, because the mean of its divisors is an integer number (25253845).

Almost surely, 2^50507689 is an apocalyptic number.

It is an amenable number.

50507689 is a deficient number, since it is larger than the sum of its proper divisors (1).

50507689 is an equidigital number, since it uses as much as digits as its factorization.

50507689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 50507689 is about 7106.8761773370. The cubic root of 50507689 is about 369.6458481234.

The spelling of 50507689 in words is "fifty million, five hundred seven thousand, six hundred eighty-nine".