55684166 has 16 divisors (see below), whose sum is σ = 84664320. Its totient is φ = 27465480.

The previous prime is 55684159. The next prime is 55684199. The reversal of 55684166 is 66148655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53075 + ... + 54113.

It is an arithmetic number, because the mean of its divisors is an integer number (5291520).

Almost surely, 2^55684166 is an apocalyptic number.

55684166 is a deficient number, since it is larger than the sum of its proper divisors (28980154).

55684166 is a wasteful number, since it uses less digits than its factorization.

55684166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379.

The product of its digits is 172800, while the sum is 41.

The square root of 55684166 is about 7462.1823885510. The cubic root of 55684166 is about 381.8656316794.

The spelling of 55684166 in words is "fifty-five million, six hundred eighty-four thousand, one hundred sixty-six".