50857 has 2 divisors, whose sum is σ = 50858. Its totient is φ = 50856.

The previous prime is 50849. The next prime is 50867. The reversal of 50857 is 75805.

50857 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., 30976 + 19881 = 176^2 + 141^2 .

It is a cyclic number.

It is not a de Polignac number, because 50857 - 2³ = 50849 is a prime.

It is not a weakly prime, because it can be changed into another prime (50867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25428 + 25429.

It is an arithmetic number, because the mean of its divisors is an integer number (25429).

2⁵⁰⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

50857 is a deficient number, since it is larger than the sum of its proper divisors (1).

50857 is an equidigital number, since it uses as much as digits as its factorization.

50857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 50857 is about 225.5149662439. The cubic root of 50857 is about 37.0496047596.

It can be divided in two parts, 508 and 57, that added together give a palindrome (565).

The spelling of 50857 in words is "fifty thousand, eight hundred fifty-seven".