204550055 has 8 divisors (see below), whose sum is σ = 250091712. Its totient is φ = 160552288.

The previous prime is 204550051. The next prime is 204550057. The reversal of 204550055 is 550055402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204550055 - 2² = 204550051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204550051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385679 + ... + 386208.

It is an arithmetic number, because the mean of its divisors is an integer number (31261464).

Almost surely, 2^204550055 is an apocalyptic number.

204550055 is a deficient number, since it is larger than the sum of its proper divisors (45541657).

204550055 is an equidigital number, since it uses as much as digits as its factorization.

204550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771945.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 204550055 is about 14302.0996710273. The cubic root of 204550055 is about 589.2051491311.

The spelling of 204550055 in words is "two hundred four million, five hundred fifty thousand, fifty-five".