50947513 has 2 divisors, whose sum is σ = 50947514. Its totient is φ = 50947512.

The previous prime is 50947489. The next prime is 50947573. The reversal of 50947513 is 31574905.

50947513 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., 50808384 + 139129 = 7128^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 50947513 - 2²⁵ = 17393081 is a prime.

It is not a weakly prime, because it can be changed into another prime (50947573) 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, 25473756 + 25473757.

It is an arithmetic number, because the mean of its divisors is an integer number (25473757).

Almost surely, 2^50947513 is an apocalyptic number.

It is an amenable number.

50947513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50947513 is an equidigital number, since it uses as much as digits as its factorization.

50947513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 50947513 is about 7137.7526575246. The cubic root of 50947513 is about 370.7157147275.

The spelling of 50947513 in words is "fifty million, nine hundred forty-seven thousand, five hundred thirteen".