50201165617 has 2 divisors, whose sum is σ = 50201165618. Its totient is φ = 50201165616.

The previous prime is 50201165611. The next prime is 50201165653. The reversal of 50201165617 is 71656110205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29167174656 + 21033990961 = 170784^2 + 145031^2 .

It is a cyclic number.

It is not a de Polignac number, because 50201165617 - 2³¹ = 48053681969 is a prime.

It is not a weakly prime, because it can be changed into another prime (50201165611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25100582808 + 25100582809.

It is an arithmetic number, because the mean of its divisors is an integer number (25100582809).

Almost surely, 2^50201165617 is an apocalyptic number.

It is an amenable number.

50201165617 is a deficient number, since it is larger than the sum of its proper divisors (1).

50201165617 is an equidigital number, since it uses as much as digits as its factorization.

50201165617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 50201165617 in words is "fifty billion, two hundred one million, one hundred sixty-five thousand, six hundred seventeen".