50504161 has 4 divisors (see below), whose sum is σ = 53475012. Its totient is φ = 47533312.

The previous prime is 50504143. The next prime is 50504183. The reversal of 50504161 is 16140505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 24443136 = 5105^2 + 4944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50504161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50504191) 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, 1485400 + ... + 1485433.

It is an arithmetic number, because the mean of its divisors is an integer number (13368753).

Almost surely, 2^50504161 is an apocalyptic number.

It is an amenable number.

50504161 is a deficient number, since it is larger than the sum of its proper divisors (2970851).

50504161 is a wasteful number, since it uses less digits than its factorization.

50504161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970850.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 50504161 is about 7106.6279626838. The cubic root of 50504161 is about 369.6372412430.

Adding to 50504161 its reverse (16140505), we get a palindrome (66644666).

The spelling of 50504161 in words is "fifty million, five hundred four thousand, one hundred sixty-one".