50994817 has 2 divisors, whose sum is σ = 50994818. Its totient is φ = 50994816.

The previous prime is 50994793. The next prime is 50994871. The reversal of 50994817 is 71849905.

Together with next prime (50994871) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 641601 = 7096^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 50994817 - 2¹¹ = 50992769 is a prime.

It is not a weakly prime, because it can be changed into another prime (50994017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25497408 + 25497409.

It is an arithmetic number, because the mean of its divisors is an integer number (25497409).

Almost surely, 2^50994817 is an apocalyptic number.

It is an amenable number.

50994817 is a deficient number, since it is larger than the sum of its proper divisors (1).

50994817 is an equidigital number, since it uses as much as digits as its factorization.

50994817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 50994817 is about 7141.0655367389. The cubic root of 50994817 is about 370.8304138922.

The spelling of 50994817 in words is "fifty million, nine hundred ninety-four thousand, eight hundred seventeen".