2255815653 has 32 divisors (see below), whose sum is σ = 3715633152. Its totient is φ = 1185451200.

The previous prime is 2255815649. The next prime is 2255815673. The reversal of 2255815653 is 3565185522.

It is not a de Polignac number, because 2255815653 - 2² = 2255815649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255815673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58738 + ... + 89228.

It is an arithmetic number, because the mean of its divisors is an integer number (116113536).

Almost surely, 2^2255815653 is an apocalyptic number.

It is an amenable number.

2255815653 is a deficient number, since it is larger than the sum of its proper divisors (1459817499).

2255815653 is a wasteful number, since it uses less digits than its factorization.

2255815653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30785.

The product of its digits is 360000, while the sum is 42.

The square root of 2255815653 is about 47495.4277062540. The cubic root of 2255815653 is about 1311.4987126440.

The spelling of 2255815653 in words is "two billion, two hundred fifty-five million, eight hundred fifteen thousand, six hundred fifty-three".