50777513 has 2 divisors, whose sum is σ = 50777514. Its totient is φ = 50777512.

The previous prime is 50777509. The next prime is 50777527. The reversal of 50777513 is 31577705.

50777513 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., 31663129 + 19114384 = 5627^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 50777513 - 2² = 50777509 is a prime.

It is a Chen prime.

It is equal to p_3044978 and since 50777513 and 3044978 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (50777563) 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, 25388756 + 25388757.

It is an arithmetic number, because the mean of its divisors is an integer number (25388757).

Almost surely, 2^50777513 is an apocalyptic number.

It is an amenable number.

50777513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50777513 is an equidigital number, since it uses as much as digits as its factorization.

50777513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 50777513 is about 7125.8341967801. The cubic root of 50777513 is about 370.3029245555.

The spelling of 50777513 in words is "fifty million, seven hundred seventy-seven thousand, five hundred thirteen".