543424445 has 8 divisors (see below), whose sum is σ = 655713240. Its totient is φ = 432336960.

The previous prime is 543424421. The next prime is 543424447. The reversal of 543424445 is 544424345.

It can be written as a sum of positive squares in 4 ways, for example, as 36409156 + 507015289 = 6034^2 + 22517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-543424445 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543424447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299330 + ... + 301139.

It is an arithmetic number, because the mean of its divisors is an integer number (81964155).

Almost surely, 2^543424445 is an apocalyptic number.

It is an amenable number.

543424445 is a deficient number, since it is larger than the sum of its proper divisors (112288795).

543424445 is a wasteful number, since it uses less digits than its factorization.

543424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600655.

The product of its digits is 153600, while the sum is 35.

The square root of 543424445 is about 23311.4659556194. The cubic root of 543424445 is about 816.0430245521.

The spelling of 543424445 in words is "five hundred forty-three million, four hundred twenty-four thousand, four hundred forty-five".