5442443 has 4 divisors (see below), whose sum is σ = 5457408.
Its totient is φ = 5427480.
The previous prime is 5442427. The next prime is 5442449. The reversal of 5442443 is 3442445.
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 5442443 - 24 = 5442427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5442449) 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 3 ways as a sum of consecutive naturals, for example, 6923 + ... + 7668.
It is an arithmetic number, because the mean of its divisors is an integer number (1364352).
Almost surely, 25442443 is an apocalyptic number.
5442443 is a deficient number, since it is larger than the sum of its proper divisors (14965).
5442443 is a wasteful number, since it uses less digits than its factorization.
5442443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14964.
The product of its digits is 7680, while the sum is 26.
The square root of 5442443 is about 2332.9044129582.
The cubic root of 5442443 is about 175.8995100416.
Adding to 5442443 its reverse (3442445), we get a palindrome (8884888).
It can be divided in two parts, 5442 and 443, that added together give a palindrome (5885).
The spelling of 5442443 in words is "five million, four hundred forty-two thousand, four hundred forty-three".