50223161 has 4 divisors (see below), whose sum is σ = 50400912. Its totient is φ = 50045412.

The previous prime is 50223143. The next prime is 50223163. The reversal of 50223161 is 16132205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16132205 = 5 ⋅3226441.

It is a cyclic number.

It is not a de Polignac number, because 50223161 - 2¹⁸ = 49961017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50223163) 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, 88451 + ... + 89016.

It is an arithmetic number, because the mean of its divisors is an integer number (12600228).

Almost surely, 2^50223161 is an apocalyptic number.

It is an amenable number.

50223161 is a deficient number, since it is larger than the sum of its proper divisors (177751).

50223161 is a wasteful number, since it uses less digits than its factorization.

50223161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177750.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 50223161 is about 7086.8301094354. The cubic root of 50223161 is about 368.9504245695.

Adding to 50223161 its reverse (16132205), we get a palindrome (66355366).

The spelling of 50223161 in words is "fifty million, two hundred twenty-three thousand, one hundred sixty-one".