2055644 has 12 divisors (see below), whose sum is σ = 3607464. Its totient is φ = 1024944.

The previous prime is 2055637. The next prime is 2055649. The reversal of 2055644 is 4465502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055649) 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, 2219 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (300622).

2^2055644 is an apocalyptic number.

It is an amenable number.

2055644 is a deficient number, since it is larger than the sum of its proper divisors (1551820).

2055644 is a wasteful number, since it uses less digits than its factorization.

2055644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2055644 is about 1433.7517218821. The cubic root of 2055644 is about 127.1498840057.

The spelling of 2055644 in words is "two million, fifty-five thousand, six hundred forty-four".