50979689 has 2 divisors, whose sum is σ = 50979690. Its totient is φ = 50979688.

The previous prime is 50979671. The next prime is 50979739. The reversal of 50979689 is 98697905.

50979689 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., 28729600 + 22250089 = 5360^2 + 4717^2 .

It is a cyclic number.

It is not a de Polignac number, because 50979689 - 2¹⁶ = 50914153 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50979689.

It is not a weakly prime, because it can be changed into another prime (50979659) 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, 25489844 + 25489845.

It is an arithmetic number, because the mean of its divisors is an integer number (25489845).

Almost surely, 2^50979689 is an apocalyptic number.

It is an amenable number.

50979689 is a deficient number, since it is larger than the sum of its proper divisors (1).

50979689 is an equidigital number, since it uses as much as digits as its factorization.

50979689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 50979689 is about 7140.0062324903. The cubic root of 50979689 is about 370.7937403787.

The spelling of 50979689 in words is "fifty million, nine hundred seventy-nine thousand, six hundred eighty-nine".