50006116643 has 4 divisors (see below), whose sum is σ = 57149847600. Its totient is φ = 42862385688.

The previous prime is 50006116627. The next prime is 50006116649. The reversal of 50006116643 is 34661160005.

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

It is a cyclic number.

It is not a de Polignac number, because 50006116643 - 2⁴ = 50006116627 is a prime.

It is a super-2 number, since 2×50006116643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50006116649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571865468 + ... + 3571865481.

It is an arithmetic number, because the mean of its divisors is an integer number (14287461900).

Almost surely, 2^50006116643 is an apocalyptic number.

50006116643 is a deficient number, since it is larger than the sum of its proper divisors (7143730957).

50006116643 is an equidigital number, since it uses as much as digits as its factorization.

50006116643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143730956.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 50006116643 its reverse (34661160005), we get a palindrome (84667276648).

The spelling of 50006116643 in words is "fifty billion, six million, one hundred sixteen thousand, six hundred forty-three".