50688857 has 2 divisors, whose sum is σ = 50688858. Its totient is φ = 50688856.

The previous prime is 50688823. The next prime is 50688871. The reversal of 50688857 is 75888605.

50688857 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., 35236096 + 15452761 = 5936^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 50688857 - 2⁸ = 50688601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50688457) 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, 25344428 + 25344429.

It is an arithmetic number, because the mean of its divisors is an integer number (25344429).

Almost surely, 2^50688857 is an apocalyptic number.

It is an amenable number.

50688857 is a deficient number, since it is larger than the sum of its proper divisors (1).

50688857 is an equidigital number, since it uses as much as digits as its factorization.

50688857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 50688857 is about 7119.6107337410. The cubic root of 50688857 is about 370.0872864435.

The spelling of 50688857 in words is "fifty million, six hundred eighty-eight thousand, eight hundred fifty-seven".