50000000201 has 4 divisors (see below), whose sum is σ = 50086655892. Its totient is φ = 49913344512.

The previous prime is 50000000189. The next prime is 50000000227. The reversal of 50000000201 is 10200000005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43816536976 + 6183463225 = 209324^2 + 78635^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000000201 - 2¹⁰ = 49999999177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50000000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43326980 + ... + 43328133.

It is an arithmetic number, because the mean of its divisors is an integer number (12521663973).

Almost surely, 2^50000000201 is an apocalyptic number.

It is an amenable number.

50000000201 is a deficient number, since it is larger than the sum of its proper divisors (86655691).

50000000201 is an equidigital number, since it uses as much as digits as its factorization.

50000000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86655690.

The product of its (nonzero) digits is 10, while the sum is 8.

Adding to 50000000201 its reverse (10200000005), we get a palindrome (60200000206).

The spelling of 50000000201 in words is "fifty billion, two hundred one", and thus it is an aban number.