2555584 has 28 divisors (see below), whose sum is σ = 5150104. Its totient is φ = 1257984.

The previous prime is 2555569. The next prime is 2555587. The reversal of 2555584 is 4855552.

It is a d-powerful number, because it can be written as 2¹⁸ + 5 + 5² + 5⁷ + 5⁹ + 8⁶ + 4² .

It is not an unprimeable number, because it can be changed into a prime (2555587) 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, 4399 + ... + 4945.

2^2555584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575052).

2555584 is an abundant number, since it is smaller than the sum of its proper divisors (2594520).

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

2555584 is an equidigital number, since it uses as much as digits as its factorization.

2555584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 622 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 2555584 is about 1598.6194043612. The cubic root of 2555584 is about 136.7193715683.

Subtracting 2555584 from its reverse (4855552), we obtain a cube (2299968 = 132³).

The spelling of 2555584 in words is "two million, five hundred fifty-five thousand, five hundred eighty-four".