5445643 has 8 divisors (see below), whose sum is σ = 6294240. Its totient is φ = 4614720.

The previous prime is 5445631. The next prime is 5445659. The reversal of 5445643 is 3465445.

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 5445643 - 2¹⁷ = 5314571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5445683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3748 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (786780).

Almost surely, 2^5445643 is an apocalyptic number.

5445643 is a deficient number, since it is larger than the sum of its proper divisors (848597).

5445643 is an equidigital number, since it uses as much as digits as its factorization.

5445643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837.

The product of its digits is 28800, while the sum is 31.

The square root of 5445643 is about 2333.5901525332. The cubic root of 5445643 is about 175.9339779053.

The spelling of 5445643 in words is "five million, four hundred forty-five thousand, six hundred forty-three".