545328899 has 16 divisors (see below), whose sum is σ = 583783200. Its totient is φ = 507919104.

The previous prime is 545328877. The next prime is 545328913. The reversal of 545328899 is 998823545.

It is a cyclic number.

It is not a de Polignac number, because 545328899 - 2²⁸ = 276893443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545328899.

It is not an unprimeable number, because it can be changed into a prime (545328869) 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, 332309 + ... + 333945.

It is an arithmetic number, because the mean of its divisors is an integer number (36486450).

Almost surely, 2^545328899 is an apocalyptic number.

545328899 is a deficient number, since it is larger than the sum of its proper divisors (38454301).

545328899 is a wasteful number, since it uses less digits than its factorization.

545328899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 3110400, while the sum is 53.

The square root of 545328899 is about 23352.2782400347. The cubic root of 545328899 is about 816.9951988939.

The spelling of 545328899 in words is "five hundred forty-five million, three hundred twenty-eight thousand, eight hundred ninety-nine".