53544393 has 24 divisors (see below), whose sum is σ = 88610496. Its totient is φ = 30520800.

The previous prime is 53544371. The next prime is 53544419. The reversal of 53544393 is 39344535.

It is a happy number.

It is not a de Polignac number, because 53544393 - 2⁸ = 53544137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53544313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33298 + ... + 34868.

It is an arithmetic number, because the mean of its divisors is an integer number (3692104).

Almost surely, 2^53544393 is an apocalyptic number.

It is an amenable number.

53544393 is a deficient number, since it is larger than the sum of its proper divisors (35066103).

53544393 is a wasteful number, since it uses less digits than its factorization.

53544393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2122 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 53544393 is about 7317.4034329125. The cubic root of 53544393 is about 376.9102948719.

It can be divided in two parts, 53 and 544393, that added together give a triangular number (544446 = T₁₀₄₃).

The spelling of 53544393 in words is "fifty-three million, five hundred forty-four thousand, three hundred ninety-three".