50000857 has 2 divisors, whose sum is σ = 50000858. Its totient is φ = 50000856.

The previous prime is 50000851. The next prime is 50000897. The reversal of 50000857 is 75800005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 12595401 = 6116^2 + 3549^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000857 - 2³ = 50000849 is a prime.

It is not a weakly prime, because it can be changed into another prime (50000851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000428 + 25000429.

It is an arithmetic number, because the mean of its divisors is an integer number (25000429).

Almost surely, 2^50000857 is an apocalyptic number.

It is an amenable number.

50000857 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000857 is an equidigital number, since it uses as much as digits as its factorization.

50000857 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 50000857 is about 7071.1284106570. The cubic root of 50000857 is about 368.4052546620.

The spelling of 50000857 in words is "fifty million, eight hundred fifty-seven", and thus it is an aban number.