53452443 has 16 divisors (see below), whose sum is σ = 78192000. Its totient is φ = 32210880.

The previous prime is 53452439. The next prime is 53452447. The reversal of 53452443 is 34425435.

It is an interprime number because it is at equal distance from previous prime (53452439) and next prime (53452447).

It is not a de Polignac number, because 53452443 - 2² = 53452439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53452443.

It is not an unprimeable number, because it can be changed into a prime (53452447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (4887000).

Almost surely, 2^53452443 is an apocalyptic number.

53452443 is a deficient number, since it is larger than the sum of its proper divisors (24739557).

53452443 is a wasteful number, since it uses less digits than its factorization.

53452443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242.

The product of its digits is 28800, while the sum is 30.

The square root of 53452443 is about 7311.1177667987. The cubic root of 53452443 is about 376.6944194273.

Adding to 53452443 its reverse (34425435), we get a palindrome (87877878).

The spelling of 53452443 in words is "fifty-three million, four hundred fifty-two thousand, four hundred forty-three".