543989345 has 16 divisors (see below), whose sum is σ = 673909632. Its totient is φ = 421290240.

The previous prime is 543989321. The next prime is 543989351.

It is a happy number.

543989345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543989345 - 2²² = 539795041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543989293 and 543989302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13100 + ... + 35490.

It is an arithmetic number, because the mean of its divisors is an integer number (42119352).

Almost surely, 2^543989345 is an apocalyptic number.

It is an amenable number.

543989345 is a deficient number, since it is larger than the sum of its proper divisors (129920287).

543989345 is a wasteful number, since it uses less digits than its factorization.

543989345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22552.

The product of its digits is 2332800, while the sum is 50.

The square root of 543989345 is about 23323.5791635846. The cubic root of 543989345 is about 816.3256906875.

The spelling of 543989345 in words is "five hundred forty-three million, nine hundred eighty-nine thousand, three hundred forty-five".