54686166 has 12 divisors (see below), whose sum is σ = 109408572. Its totient is φ = 18222684.

The previous prime is 54686143. The next prime is 54686173. The reversal of 54686166 is 66168645.

54686166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 16605 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (9117381).

Almost surely, 2^54686166 is an apocalyptic number.

54686166 is an abundant number, since it is smaller than the sum of its proper divisors (54722406).

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

54686166 is an frugal number, since it uses more digits than its factorization.

54686166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043 (or 3024 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 54686166 is about 7395.0095334624. The cubic root of 54686166 is about 379.5705351282.

The spelling of 54686166 in words is "fifty-four million, six hundred eighty-six thousand, one hundred sixty-six".