50000000001 has 16 divisors (see below), whose sum is σ = 76239903744. Its totient is φ = 28552893264.

The previous prime is 49999999967. The next prime is 50000000021. The reversal of 50000000001 is 10000000005.

It is a trimorphic number since its cube, 125000000007500000000150000000001, ends in 50000000001.

It is not a de Polignac number, because 50000000001 - 2¹¹ = 49999997953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50000000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739131 + ... + 803936.

It is an arithmetic number, because the mean of its divisors is an integer number (4764993984).

Almost surely, 2^50000000001 is an apocalyptic number.

It is an amenable number.

50000000001 is a deficient number, since it is larger than the sum of its proper divisors (26239903743).

50000000001 is a wasteful number, since it uses less digits than its factorization.

50000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544620.

The product of its (nonzero) digits is 5, while the sum is 6.

Adding to 50000000001 its reverse (10000000005), we get a palindrome (60000000006).

The spelling of 50000000001 in words is "fifty billion, one", and thus it is an aban number and an uban number.