53453223 has 8 divisors (see below), whose sum is σ = 79190000. Its totient is φ = 35635464.

The previous prime is 53453209. The next prime is 53453227. The reversal of 53453223 is 32235435.

It is not a de Polignac number, because 53453223 - 2¹⁶ = 53387687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1979749 = 53453223 / (5 + 3 + 4 + 5 + 3 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53453227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989848 + ... + 989901.

It is an arithmetic number, because the mean of its divisors is an integer number (9898750).

Almost surely, 2^53453223 is an apocalyptic number.

53453223 is a deficient number, since it is larger than the sum of its proper divisors (25736777).

53453223 is a wasteful number, since it uses less digits than its factorization.

53453223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979758 (or 1979752 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 53453223 is about 7311.1711100206. The cubic root of 53453223 is about 376.6962517116.

Adding to 53453223 its reverse (32235435), we get a palindrome (85688658).

The spelling of 53453223 in words is "fifty-three million, four hundred fifty-three thousand, two hundred twenty-three".