2554566 has 24 divisors (see below), whose sum is σ = 5943960. Its totient is φ = 729792.

The previous prime is 2554561. The next prime is 2554583. The reversal of 2554566 is 6654552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554561) 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 11 ways as a sum of consecutive naturals, for example, 4051 + ... + 4638.

It is an arithmetic number, because the mean of its divisors is an integer number (247665).

2^2554566 is an apocalyptic number.

2554566 is an abundant number, since it is smaller than the sum of its proper divisors (3389394).

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

2554566 is a wasteful number, since it uses less digits than its factorization.

2554566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708 (or 8701 counting only the distinct ones).

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

The square root of 2554566 is about 1598.3009729084. The cubic root of 2554566 is about 136.7012154046.

The spelling of 2554566 in words is "two million, five hundred fifty-four thousand, five hundred sixty-six".