55584666 has 24 divisors (see below), whose sum is σ = 120643380. Its totient is φ = 18495936.

The previous prime is 55584653. The next prime is 55584733. The reversal of 55584666 is 66648555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44555625 + 11029041 = 6675^2 + 3321^2 .

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, 9390 + ... + 14118.

Almost surely, 2^55584666 is an apocalyptic number.

55584666 is an abundant number, since it is smaller than the sum of its proper divisors (65058714).

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

55584666 is a wasteful number, since it uses less digits than its factorization.

55584666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390 (or 5387 counting only the distinct ones).

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

The square root of 55584666 is about 7455.5124572359. The cubic root of 55584666 is about 381.6380488279.

The spelling of 55584666 in words is "fifty-five million, five hundred eighty-four thousand, six hundred sixty-six".