50220018851 has 8 divisors (see below), whose sum is σ = 50407141824. Its totient is φ = 50032964520.

The previous prime is 50220018829. The next prime is 50220018857. The reversal of 50220018851 is 15881002205.

It is a happy number.

50220018851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50220018851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50220018857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805036 + ... + 1832646.

It is an arithmetic number, because the mean of its divisors is an integer number (6300892728).

Almost surely, 2^50220018851 is an apocalyptic number.

50220018851 is a deficient number, since it is larger than the sum of its proper divisors (187122973).

50220018851 is a wasteful number, since it uses less digits than its factorization.

50220018851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34321.

The product of its (nonzero) digits is 6400, while the sum is 32.

The spelling of 50220018851 in words is "fifty billion, two hundred twenty million, eighteen thousand, eight hundred fifty-one".