53544316443 has 4 divisors (see below), whose sum is σ = 71392421928. Its totient is φ = 35696210960.

The previous prime is 53544316439. The next prime is 53544316453. The reversal of 53544316443 is 34461344535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53544316443 - 2² = 53544316439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53544316395 and 53544316404.

It is not an unprimeable number, because it can be changed into a prime (53544316453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8924052738 + ... + 8924052743.

It is an arithmetic number, because the mean of its divisors is an integer number (17848105482).

Almost surely, 2^53544316443 is an apocalyptic number.

53544316443 is a deficient number, since it is larger than the sum of its proper divisors (17848105485).

53544316443 is a wasteful number, since it uses less digits than its factorization.

53544316443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17848105484.

The product of its digits is 1036800, while the sum is 42.

The spelling of 53544316443 in words is "fifty-three billion, five hundred forty-four million, three hundred sixteen thousand, four hundred forty-three".