545664204 has 36 divisors (see below), whose sum is σ = 1383192720. Its totient is φ = 181377120.

The previous prime is 545664187. The next prime is 545664221. The reversal of 545664204 is 402466545.

545664204 is a `hidden beast` number, since 5 + 4 + 5 + 6 + 642 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (545664187) and next prime (545664221).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 8187 + ... + 34034.

It is an arithmetic number, because the mean of its divisors is an integer number (38422020).

Almost surely, 2^545664204 is an apocalyptic number.

It is an amenable number.

545664204 is an abundant number, since it is smaller than the sum of its proper divisors (837528516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545664204 is a wasteful number, since it uses less digits than its factorization.

545664204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42590 (or 42585 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 545664204 is about 23359.4564149083. The cubic root of 545664204 is about 817.1626125096.

The spelling of 545664204 in words is "five hundred forty-five million, six hundred sixty-four thousand, two hundred four".