545289589 has 16 divisors (see below), whose sum is σ = 614081664. Its totient is φ = 480427200.

The previous prime is 545289587. The next prime is 545289643. The reversal of 545289589 is 985982545.

It is a cyclic number.

It is not a de Polignac number, because 545289589 - 2¹ = 545289587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545289587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160074 + ... + 163444.

It is an arithmetic number, because the mean of its divisors is an integer number (38380104).

Almost surely, 2^545289589 is an apocalyptic number.

It is an amenable number.

545289589 is a deficient number, since it is larger than the sum of its proper divisors (68792075).

545289589 is a wasteful number, since it uses less digits than its factorization.

545289589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948.

The product of its digits is 5184000, while the sum is 55.

The square root of 545289589 is about 23351.4365510989. The cubic root of 545289589 is about 816.9755674060.

The spelling of 545289589 in words is "five hundred forty-five million, two hundred eighty-nine thousand, five hundred eighty-nine".