2255543 has 4 divisors (see below), whose sum is σ = 2388240. Its totient is φ = 2122848.

The previous prime is 2255507. The next prime is 2255549. The reversal of 2255543 is 3455522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255543 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 (2255549) 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, 66323 + ... + 66356.

It is an arithmetic number, because the mean of its divisors is an integer number (597060).

2^2255543 is an apocalyptic number.

2255543 is a deficient number, since it is larger than the sum of its proper divisors (132697).

2255543 is a wasteful number, since it uses less digits than its factorization.

2255543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132696.

The product of its digits is 6000, while the sum is 26.

The square root of 2255543 is about 1501.8465301089. The cubic root of 2255543 is about 131.1445871673.

The spelling of 2255543 in words is "two million, two hundred fifty-five thousand, five hundred forty-three".