204104055 has 32 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 105983360.

The previous prime is 204104053. The next prime is 204104063. The reversal of 204104055 is 550401402.

204104055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204104055 - 2¹ = 204104053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204104053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87241 + ... + 89549.

It is an arithmetic number, because the mean of its divisors is an integer number (10478160).

Almost surely, 2^204104055 is an apocalyptic number.

204104055 is a deficient number, since it is larger than the sum of its proper divisors (131197065).

204104055 is a wasteful number, since it uses less digits than its factorization.

204104055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 204104055 is about 14286.4990463024. The cubic root of 204104055 is about 588.7766041142.

Adding to 204104055 its reverse (550401402), we get a palindrome (754505457).

The spelling of 204104055 in words is "two hundred four million, one hundred four thousand, fifty-five".