54216443 has 8 divisors (see below), whose sum is σ = 57853200. Its totient is φ = 50658048.

The previous prime is 54216439. The next prime is 54216469. The reversal of 54216443 is 34461245.

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 54216443 - 2² = 54216439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54216413) 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 7 ways as a sum of consecutive naturals, for example, 18158 + ... + 20931.

It is an arithmetic number, because the mean of its divisors is an integer number (7231650).

Almost surely, 2^54216443 is an apocalyptic number.

54216443 is a deficient number, since it is larger than the sum of its proper divisors (3636757).

54216443 is a wasteful number, since it uses less digits than its factorization.

54216443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39181.

The product of its digits is 11520, while the sum is 29.

The square root of 54216443 is about 7363.1815813546. The cubic root of 54216443 is about 378.4806437718.

Adding to 54216443 its reverse (34461245), we get a palindrome (88677688).

The spelling of 54216443 in words is "fifty-four million, two hundred sixteen thousand, four hundred forty-three".