50840017 has 2 divisors, whose sum is σ = 50840018. Its totient is φ = 50840016.

The previous prime is 50840003. The next prime is 50840057. The reversal of 50840017 is 71004805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47320641 + 3519376 = 6879^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 50840017 - 2¹⁹ = 50315729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50839973 and 50840000.

It is not a weakly prime, because it can be changed into another prime (50840057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25420008 + 25420009.

It is an arithmetic number, because the mean of its divisors is an integer number (25420009).

Almost surely, 2^50840017 is an apocalyptic number.

It is an amenable number.

50840017 is a deficient number, since it is larger than the sum of its proper divisors (1).

50840017 is an equidigital number, since it uses as much as digits as its factorization.

50840017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 50840017 is about 7130.2185800998. The cubic root of 50840017 is about 370.4548023078.

The spelling of 50840017 in words is "fifty million, eight hundred forty thousand, seventeen".