50423826857 has 2 divisors, whose sum is σ = 50423826858. Its totient is φ = 50423826856.

The previous prime is 50423826841. The next prime is 50423826931. The reversal of 50423826857 is 75862832405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30394784281 + 20029042576 = 174341^2 + 141524^2 .

It is a cyclic number.

It is not a de Polignac number, because 50423826857 - 2⁴ = 50423826841 is a prime.

It is not a weakly prime, because it can be changed into another prime (50423826757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25211913428 + 25211913429.

It is an arithmetic number, because the mean of its divisors is an integer number (25211913429).

Almost surely, 2^50423826857 is an apocalyptic number.

It is an amenable number.

50423826857 is a deficient number, since it is larger than the sum of its proper divisors (1).

50423826857 is an equidigital number, since it uses as much as digits as its factorization.

50423826857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 50423826857 in words is "fifty billion, four hundred twenty-three million, eight hundred twenty-six thousand, eight hundred fifty-seven".