54561204 has 36 divisors (see below), whose sum is σ = 138230820. Its totient is φ = 18145920.

The previous prime is 54561203. The next prime is 54561229. The reversal of 54561204 is 40216545.

54561204 is a `hidden beast` number, since 5 + 45 + 612 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32490000 + 22071204 = 5700^2 + 4698^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54561203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17302 + ... + 20210.

It is an arithmetic number, because the mean of its divisors is an integer number (3839745).

Almost surely, 2^54561204 is an apocalyptic number.

It is an amenable number.

54561204 is an abundant number, since it is smaller than the sum of its proper divisors (83669616).

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

54561204 is a wasteful number, since it uses less digits than its factorization.

54561204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54561204 is about 7386.5556249175. Note that the first 3 decimals coincide. The cubic root of 54561204 is about 379.2811988963.

Adding to 54561204 its reverse (40216545), we get a palindrome (94777749).

The spelling of 54561204 in words is "fifty-four million, five hundred sixty-one thousand, two hundred four".