53272443 has 16 divisors (see below), whose sum is σ = 81359360. Its totient is φ = 30373056.

The previous prime is 53272433. The next prime is 53272451. The reversal of 53272443 is 34427235.

It is not a de Polignac number, because 53272443 - 2⁸ = 53272187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53272443.

It is not an unprimeable number, because it can be changed into a prime (53272433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7623 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (5084960).

Almost surely, 2^53272443 is an apocalyptic number.

53272443 is a deficient number, since it is larger than the sum of its proper divisors (28086917).

53272443 is a wasteful number, since it uses less digits than its factorization.

53272443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706.

The product of its digits is 20160, while the sum is 30.

The square root of 53272443 is about 7298.7973666899. The cubic root of 53272443 is about 376.2711070082.

Adding to 53272443 its reverse (34427235), we get a palindrome (87699678).

The spelling of 53272443 in words is "fifty-three million, two hundred seventy-two thousand, four hundred forty-three".