545128804 has 12 divisors (see below), whose sum is σ = 1040700528. Its totient is φ = 247785800.

The previous prime is 545128763. The next prime is 545128813. The reversal of 545128804 is 408821545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6194602 + ... + 6194689.

It is an arithmetic number, because the mean of its divisors is an integer number (86725044).

Almost surely, 2^545128804 is an apocalyptic number.

It is an amenable number.

545128804 is a deficient number, since it is larger than the sum of its proper divisors (495571724).

545128804 is a wasteful number, since it uses less digits than its factorization.

545128804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389306 (or 12389304 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 545128804 is about 23347.9935754660. The cubic root of 545128804 is about 816.8952612518.

The spelling of 545128804 in words is "five hundred forty-five million, one hundred twenty-eight thousand, eight hundred four".