50161823 has 4 divisors (see below), whose sum is σ = 50177400. Its totient is φ = 50146248.

The previous prime is 50161799. The next prime is 50161841. The reversal of 50161823 is 32816105.

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

It is a cyclic number.

It is not a de Polignac number, because 50161823 - 2⁶ = 50161759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50161792 and 50161801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50161123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (12544350).

Almost surely, 2^50161823 is an apocalyptic number.

50161823 is a deficient number, since it is larger than the sum of its proper divisors (15577).

50161823 is a wasteful number, since it uses less digits than its factorization.

50161823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15576.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 50161823 is about 7082.5011824920. The cubic root of 50161823 is about 368.8001625525.

Adding to 50161823 its reverse (32816105), we get a palindrome (82977928).

The spelling of 50161823 in words is "fifty million, one hundred sixty-one thousand, eight hundred twenty-three".