55584663 has 4 divisors (see below), whose sum is σ = 74112888. Its totient is φ = 37056440.

The previous prime is 55584653. The next prime is 55584733. The reversal of 55584663 is 36648555.

It is a happy number.

55584663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55584663 - 2⁴ = 55584647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55584623) 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 3 ways as a sum of consecutive naturals, for example, 9264108 + ... + 9264113.

It is an arithmetic number, because the mean of its divisors is an integer number (18528222).

Almost surely, 2^55584663 is an apocalyptic number.

55584663 is a deficient number, since it is larger than the sum of its proper divisors (18528225).

55584663 is a wasteful number, since it uses less digits than its factorization.

55584663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18528224.

The product of its digits is 432000, while the sum is 42.

The square root of 55584663 is about 7455.5122560425. The cubic root of 55584663 is about 381.6380419621.

The spelling of 55584663 in words is "fifty-five million, five hundred eighty-four thousand, six hundred sixty-three".