50455420161 has 8 divisors (see below), whose sum is σ = 67275555840. Its totient is φ = 33636115632.

The previous prime is 50455420157. The next prime is 50455420163. The reversal of 50455420161 is 16102455405.

50455420161 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 not a de Polignac number, because 50455420161 - 2² = 50455420157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50455420163) 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, 48750 + ... + 321383.

It is an arithmetic number, because the mean of its divisors is an integer number (8409444480).

Almost surely, 2^50455420161 is an apocalyptic number.

It is an amenable number.

50455420161 is a deficient number, since it is larger than the sum of its proper divisors (16820135679).

50455420161 is a wasteful number, since it uses less digits than its factorization.

50455420161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415575.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 50455420161 its reverse (16102455405), we get a palindrome (66557875566).

The spelling of 50455420161 in words is "fifty billion, four hundred fifty-five million, four hundred twenty thousand, one hundred sixty-one".