2555568 has 30 divisors (see below), whose sum is σ = 7152444. Its totient is φ = 851808.

The previous prime is 2555561. The next prime is 2555569. The reversal of 2555568 is 8655552.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2555561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8730 + ... + 9017.

2^2555568 is an apocalyptic number.

It is an amenable number.

2555568 is an abundant number, since it is smaller than the sum of its proper divisors (4596876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555568 is a wasteful number, since it uses less digits than its factorization.

2555568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761 (or 17752 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 2555568 is about 1598.6144000352. The cubic root of 2555568 is about 136.7190862435.

The spelling of 2555568 in words is "two million, five hundred fifty-five thousand, five hundred sixty-eight".