545078089 has 8 divisors (see below), whose sum is σ = 577833480. Its totient is φ = 512399616.

The previous prime is 545078077. The next prime is 545078111. The reversal of 545078089 is 980870545.

545078089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66912400 + 478165689 = 8180^2 + 21867^2 .

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 545078089 - 2⁵ = 545078057 is a prime.

It is a super-2 number, since 2×545078089² = 594220246215783842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545078029) 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, 4294 + ... + 33295.

It is an arithmetic number, because the mean of its divisors is an integer number (72229185).

Almost surely, 2^545078089 is an apocalyptic number.

It is an amenable number.

545078089 is a deficient number, since it is larger than the sum of its proper divisors (32755391).

545078089 is a wasteful number, since it uses less digits than its factorization.

545078089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38459.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 545078089 is about 23346.9074825768. The cubic root of 545078089 is about 816.8699277113.

The spelling of 545078089 in words is "five hundred forty-five million, seventy-eight thousand, eighty-nine".