53320223 has 12 divisors (see below), whose sum is σ = 59202024. Its totient is φ = 47982000.

The previous prime is 53320207. The next prime is 53320229. The reversal of 53320223 is 32202335.

It is not a de Polignac number, because 53320223 - 2⁴ = 53320207 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53320195 and 53320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53320229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10040 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (4933502).

Almost surely, 2^53320223 is an apocalyptic number.

53320223 is a deficient number, since it is larger than the sum of its proper divisors (5881801).

53320223 is a wasteful number, since it uses less digits than its factorization.

53320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 53320223 is about 7302.0697750706. The cubic root of 53320223 is about 376.3835657847.

Adding to 53320223 its reverse (32202335), we get a palindrome (85522558).

The spelling of 53320223 in words is "fifty-three million, three hundred twenty thousand, two hundred twenty-three".