54973666 has 16 divisors (see below), whose sum is σ = 90609120. Its totient is φ = 24806880.

The previous prime is 54973643. The next prime is 54973673. The reversal of 54973666 is 66637945.

54973666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5931 + ... + 12046.

It is an arithmetic number, because the mean of its divisors is an integer number (5663070).

Almost surely, 2^54973666 is an apocalyptic number.

54973666 is a deficient number, since it is larger than the sum of its proper divisors (35635454).

54973666 is a wasteful number, since it uses less digits than its factorization.

54973666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18129.

The product of its digits is 816480, while the sum is 46.

The square root of 54973666 is about 7414.4228366070. The cubic root of 54973666 is about 380.2345412653.

The spelling of 54973666 in words is "fifty-four million, nine hundred seventy-three thousand, six hundred sixty-six".