55566684 has 36 divisors (see below), whose sum is σ = 143115336. Its totient is φ = 18172128.

The previous prime is 55566677. The next prime is 55566701. The reversal of 55566684 is 48666555.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12654 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (3975426).

Almost surely, 2^55566684 is an apocalyptic number.

It is an amenable number.

55566684 is an abundant number, since it is smaller than the sum of its proper divisors (87548652).

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

55566684 is a wasteful number, since it uses less digits than its factorization.

55566684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29186 (or 29181 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 55566684 is about 7454.3064063667. The cubic root of 55566684 is about 381.5968902612.

The spelling of 55566684 in words is "fifty-five million, five hundred sixty-six thousand, six hundred eighty-four".