2455566 has 8 divisors (see below), whose sum is σ = 4911144. Its totient is φ = 818520.

The previous prime is 2455561. The next prime is 2455577. The reversal of 2455566 is 6655542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2455566 is an admirable number.

It is a plaindrome in base 10.

It is a congruent number.

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, 204625 + ... + 204636.

It is an arithmetic number, because the mean of its divisors is an integer number (613893).

2^2455566 is an apocalyptic number.

2455566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2455566 is a wasteful number, since it uses less digits than its factorization.

2455566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409266.

The product of its digits is 36000, while the sum is 33.

The square root of 2455566 is about 1567.0245690480. The cubic root of 2455566 is about 134.9119865277.

The spelling of 2455566 in words is "two million, four hundred fifty-five thousand, five hundred sixty-six".