205053455 has 16 divisors (see below), whose sum is σ = 253338624. Its totient is φ = 159240480.

The previous prime is 205053451. The next prime is 205053469. The reversal of 205053455 is 554350502.

It is a happy number.

It is not a de Polignac number, because 205053455 - 2² = 205053451 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 (205053451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33050 + ... + 38760.

It is an arithmetic number, because the mean of its divisors is an integer number (15833664).

Almost surely, 2^205053455 is an apocalyptic number.

205053455 is a deficient number, since it is larger than the sum of its proper divisors (48285169).

205053455 is a wasteful number, since it uses less digits than its factorization.

205053455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 205053455 is about 14319.6876711750. The cubic root of 205053455 is about 589.6881000114.

The spelling of 205053455 in words is "two hundred five million, fifty-three thousand, four hundred fifty-five".