50050000001 has 4 divisors (see below), whose sum is σ = 51775862100. Its totient is φ = 48324137904.

The previous prime is 50049999991. The next prime is 50050000003. The reversal of 50050000001 is 10000005005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10000005005 = 5 ⋅2000001001.

It can be written as a sum of positive squares in 2 ways, for example, as 11956329025 + 38093670976 = 109345^2 + 195176^2 .

It is a cyclic number.

It is not a de Polignac number, because 50050000001 - 2²² = 50045805697 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 (50050000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862931006 + ... + 862931063.

It is an arithmetic number, because the mean of its divisors is an integer number (12943965525).

Almost surely, 2^50050000001 is an apocalyptic number.

It is an amenable number.

50050000001 is a deficient number, since it is larger than the sum of its proper divisors (1725862099).

50050000001 is a wasteful number, since it uses less digits than its factorization.

50050000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725862098.

The product of its (nonzero) digits is 25, while the sum is 11.

Adding to 50050000001 its reverse (10000005005), we get a palindrome (60050005006).

The spelling of 50050000001 in words is "fifty billion, fifty million, one", and thus it is an aban number and an uban number.