53163223 has 4 divisors (see below), whose sum is σ = 53633808. Its totient is φ = 52692640.

The previous prime is 53163217. The next prime is 53163239. The reversal of 53163223 is 32236135.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53163223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53163203) 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, 235123 + ... + 235348.

It is an arithmetic number, because the mean of its divisors is an integer number (13408452).

Almost surely, 2^53163223 is an apocalyptic number.

53163223 is a deficient number, since it is larger than the sum of its proper divisors (470585).

53163223 is a wasteful number, since it uses less digits than its factorization.

53163223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470584.

The product of its digits is 3240, while the sum is 25.

The square root of 53163223 is about 7291.3114732536. The cubic root of 53163223 is about 376.0137854271.

Adding to 53163223 its reverse (32236135), we get a palindrome (85399358).

The spelling of 53163223 in words is "fifty-three million, one hundred sixty-three thousand, two hundred twenty-three".