205453055 has 8 divisors (see below), whose sum is σ = 250016544. Its totient is φ = 162047200.

The previous prime is 205453049. The next prime is 205453057. The reversal of 205453055 is 550354502.

It is a happy number.

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

It is not a de Polignac number, because 205453055 - 2¹⁶ = 205387519 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 (205453057) 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, 289016 + ... + 289725.

It is an arithmetic number, because the mean of its divisors is an integer number (31252068).

Almost surely, 2^205453055 is an apocalyptic number.

205453055 is a deficient number, since it is larger than the sum of its proper divisors (44563489).

205453055 is an equidigital number, since it uses as much as digits as its factorization.

205453055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578817.

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

The square root of 205453055 is about 14333.6336984032. The cubic root of 205453055 is about 590.0709050090.

The spelling of 205453055 in words is "two hundred five million, four hundred fifty-three thousand, fifty-five".