2455564 has 12 divisors (see below), whose sum is σ = 4312000. Its totient is φ = 1223568.

The previous prime is 2455561. The next prime is 2455577. The reversal of 2455564 is 4655542.

It is not an unprimeable number, because it can be changed into a prime (2455561) 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, 517 + ... + 2275.

2^2455564 is an apocalyptic number.

It is an amenable number.

2455564 is a deficient number, since it is larger than the sum of its proper divisors (1856436).

2455564 is a wasteful number, since it uses less digits than its factorization.

2455564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2110 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 2455564 is about 1567.0239308958. The cubic root of 2455564 is about 134.9119499001.

The spelling of 2455564 in words is "two million, four hundred fifty-five thousand, five hundred sixty-four".