653205055 has 4 divisors (see below), whose sum is σ = 783846072. Its totient is φ = 522564040.

The previous prime is 653205031. The next prime is 653205073. The reversal of 653205055 is 550502356.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 653205055 - 2¹⁹ = 652680767 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 3 ways as a sum of consecutive naturals, for example, 65320501 + ... + 65320510.

It is an arithmetic number, because the mean of its divisors is an integer number (195961518).

Almost surely, 2^653205055 is an apocalyptic number.

653205055 is a deficient number, since it is larger than the sum of its proper divisors (130641017).

653205055 is a wasteful number, since it uses less digits than its factorization.

653205055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130641016.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 653205055 is about 25557.8765745513. The cubic root of 653205055 is about 867.6605377442.

The spelling of 653205055 in words is "six hundred fifty-three million, two hundred five thousand, fifty-five".