205550053325 has 12 divisors (see below), whose sum is σ = 254912452788. Its totient is φ = 164420438400.

The previous prime is 205550053309. The next prime is 205550053349. The reversal of 205550053325 is 523350055502.

It can be written as a sum of positive squares in 6 ways, for example, as 11204857609 + 194345195716 = 105853^2 + 440846^2 .

It is not a de Polignac number, because 205550053325 - 2⁴ = 205550053309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274352 + ... + 697401.

It is an arithmetic number, because the mean of its divisors is an integer number (21242704399).

Almost surely, 2^205550053325 is an apocalyptic number.

205550053325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205550053325 is a deficient number, since it is larger than the sum of its proper divisors (49362399463).

205550053325 is an equidigital number, since it uses as much as digits as its factorization.

205550053325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980224 (or 980219 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 35.

The spelling of 205550053325 in words is "two hundred five billion, five hundred fifty million, fifty-three thousand, three hundred twenty-five".