50643104121 has 16 divisors (see below), whose sum is σ = 75030376320. Its totient is φ = 33760469520.

The previous prime is 50643104077. The next prime is 50643104131. The reversal of 50643104121 is 12140134605.

It is a happy number.

50643104121 is a `hidden beast` number, since 5 + 0 + 643 + 1 + 0 + 4 + 12 + 1 = 666.

50643104121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50643104121 - 2⁷ = 50643103993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50643104131) 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, 903511 + ... + 957923.

It is an arithmetic number, because the mean of its divisors is an integer number (4689398520).

Almost surely, 2^50643104121 is an apocalyptic number.

It is an amenable number.

50643104121 is a deficient number, since it is larger than the sum of its proper divisors (24387272199).

50643104121 is a wasteful number, since it uses less digits than its factorization.

50643104121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88893 (or 88887 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 50643104121 its reverse (12140134605), we get a palindrome (62783238726).

The spelling of 50643104121 in words is "fifty billion, six hundred forty-three million, one hundred four thousand, one hundred twenty-one".