50979613 has 2 divisors, whose sum is σ = 50979614. Its totient is φ = 50979612.

The previous prime is 50979571. The next prime is 50979637. The reversal of 50979613 is 31697905.

50979613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49028004 + 1951609 = 7002^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 50979613 - 2⁹ = 50979101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50976613) 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, 25489806 + 25489807.

It is an arithmetic number, because the mean of its divisors is an integer number (25489807).

Almost surely, 2^50979613 is an apocalyptic number.

It is an amenable number.

50979613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50979613 is an equidigital number, since it uses as much as digits as its factorization.

50979613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 50979613 is about 7140.0009103641. Note that the first 3 decimals coincide. The cubic root of 50979613 is about 370.7935561201.

The spelling of 50979613 in words is "fifty million, nine hundred seventy-nine thousand, six hundred thirteen".