2055564 has 48 divisors (see below), whose sum is σ = 6092800. Its totient is φ = 587088.

The previous prime is 2055551. The next prime is 2055569. The reversal of 2055564 is 4655502.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2055569) 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 15 ways as a sum of consecutive naturals, for example, 604 + ... + 2115.

2^2055564 is an apocalyptic number.

It is an amenable number.

2055564 is an abundant number, since it is smaller than the sum of its proper divisors (4037236).

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

2055564 is a wasteful number, since it uses less digits than its factorization.

2055564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2055564 is about 1433.7238227776. The cubic root of 2055564 is about 127.1482345433.

The spelling of 2055564 in words is "two million, fifty-five thousand, five hundred sixty-four".