2655549 has 12 divisors (see below), whose sum is σ = 4131036. Its totient is φ = 1634112.

The previous prime is 2655539. The next prime is 2655563. The reversal of 2655549 is 9455562.

2655549 = 307² + 308² + ... + 332².

It can be written as a sum of positive squares in 2 ways, for example, as 127449 + 2528100 = 357^2 + 1590^2 .

It is not a de Polignac number, because 2655549 - 2⁵ = 2655517 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11232 + ... + 11465.

It is an arithmetic number, because the mean of its divisors is an integer number (344253).

2^2655549 is an apocalyptic number.

It is an amenable number.

2655549 is a deficient number, since it is larger than the sum of its proper divisors (1475487).

2655549 is a wasteful number, since it uses less digits than its factorization.

2655549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22716 (or 22713 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2655549 is about 1629.5855301272. The cubic root of 2655549 is about 138.4792724437.

The spelling of 2655549 in words is "two million, six hundred fifty-five thousand, five hundred forty-nine".