2255763563 has 4 divisors (see below), whose sum is σ = 2255921328. Its totient is φ = 2255605800.

The previous prime is 2255763557. The next prime is 2255763623. The reversal of 2255763563 is 3653675522.

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

It is a cyclic number.

It is not a de Polignac number, because 2255763563 - 2⁴ = 2255763547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255763553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55031 + ... + 86832.

It is an arithmetic number, because the mean of its divisors is an integer number (563980332).

Almost surely, 2^2255763563 is an apocalyptic number.

2255763563 is a deficient number, since it is larger than the sum of its proper divisors (157765).

2255763563 is a wasteful number, since it uses less digits than its factorization.

2255763563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157764.

The product of its digits is 1134000, while the sum is 44.

The square root of 2255763563 is about 47494.8793345135. The cubic root of 2255763563 is about 1311.4886177745.

The spelling of 2255763563 in words is "two billion, two hundred fifty-five million, seven hundred sixty-three thousand, five hundred sixty-three".