54320443 has 4 divisors (see below), whose sum is σ = 54634608. Its totient is φ = 54006280.

The previous prime is 54320437. The next prime is 54320471. The reversal of 54320443 is 34402345.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54320143) 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 3 ways as a sum of consecutive naturals, for example, 156823 + ... + 157168.

It is an arithmetic number, because the mean of its divisors is an integer number (13658652).

Almost surely, 2^54320443 is an apocalyptic number.

54320443 is a deficient number, since it is larger than the sum of its proper divisors (314165).

54320443 is a wasteful number, since it uses less digits than its factorization.

54320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314164.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 54320443 is about 7370.2403624305. The cubic root of 54320443 is about 378.7224944172.

Adding to 54320443 its reverse (34402345), we get a palindrome (88722788).

The spelling of 54320443 in words is "fifty-four million, three hundred twenty thousand, four hundred forty-three".