53231443 has 8 divisors (see below), whose sum is σ = 55231200. Its totient is φ = 51242688.

The previous prime is 53231441. The next prime is 53231449. The reversal of 53231443 is 34413235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53231443 - 2¹ = 53231441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53231441) 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, 7855 + ... + 12967.

It is an arithmetic number, because the mean of its divisors is an integer number (6903900).

Almost surely, 2^53231443 is an apocalyptic number.

53231443 is a deficient number, since it is larger than the sum of its proper divisors (1999757).

53231443 is a wasteful number, since it uses less digits than its factorization.

53231443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its digits is 4320, while the sum is 25.

The square root of 53231443 is about 7295.9881441790. The cubic root of 53231443 is about 376.1745525551.

Adding to 53231443 its reverse (34413235), we get a palindrome (87644678).

The spelling of 53231443 in words is "fifty-three million, two hundred thirty-one thousand, four hundred forty-three".