205053055 has 16 divisors (see below), whose sum is σ = 256284000. Its totient is φ = 157306240.

The previous prime is 205053049. The next prime is 205053061. The reversal of 205053055 is 550350502.

It is an interprime number because it is at equal distance from previous prime (205053049) and next prime (205053061).

It is not a de Polignac number, because 205053055 - 2³ = 205053047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16860 + ... + 26350.

It is an arithmetic number, because the mean of its divisors is an integer number (16017750).

Almost surely, 2^205053055 is an apocalyptic number.

205053055 is a deficient number, since it is larger than the sum of its proper divisors (51230945).

205053055 is a wasteful number, since it uses less digits than its factorization.

205053055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 205053055 is about 14319.6737043831. The cubic root of 205053055 is about 589.6877165742.

The spelling of 205053055 in words is "two hundred five million, fifty-three thousand, fifty-five".