54664666 has 16 divisors (see below), whose sum is σ = 95705856. Its totient is φ = 22928976.

The previous prime is 54664661. The next prime is 54664667. The reversal of 54664666 is 66646645.

54664666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54664661) 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 7 ways as a sum of consecutive naturals, for example, 40881 + ... + 42196.

It is an arithmetic number, because the mean of its divisors is an integer number (5981616).

Almost surely, 2^54664666 is an apocalyptic number.

54664666 is a deficient number, since it is larger than the sum of its proper divisors (41041190).

54664666 is a wasteful number, since it uses less digits than its factorization.

54664666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83133.

The product of its digits is 622080, while the sum is 43.

The square root of 54664666 is about 7393.5557075064. Note that the first 3 decimals coincide. The cubic root of 54664666 is about 379.5207855796.

The spelling of 54664666 in words is "fifty-four million, six hundred sixty-four thousand, six hundred sixty-six".