50818657 has 2 divisors, whose sum is σ = 50818658. Its totient is φ = 50818656.

The previous prime is 50818613. The next prime is 50818667. The reversal of 50818657 is 75681805.

50818657 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., 39955041 + 10863616 = 6321^2 + 3296^2 .

It is a cyclic number.

It is not a de Polignac number, because 50818657 - 2¹¹ = 50816609 is a prime.

It is not a weakly prime, because it can be changed into another prime (50818667) 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, 25409328 + 25409329.

It is an arithmetic number, because the mean of its divisors is an integer number (25409329).

Almost surely, 2^50818657 is an apocalyptic number.

It is an amenable number.

50818657 is a deficient number, since it is larger than the sum of its proper divisors (1).

50818657 is an equidigital number, since it uses as much as digits as its factorization.

50818657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 50818657 is about 7128.7205724450. The cubic root of 50818657 is about 370.4029138973.

The spelling of 50818657 in words is "fifty million, eight hundred eighteen thousand, six hundred fifty-seven".