54666685 has 8 divisors (see below), whose sum is σ = 65707776. Its totient is φ = 43661520.

The previous prime is 54666659. The next prime is 54666701. The reversal of 54666685 is 58666645.

54666685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54666685 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 5509 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (8213472).

Almost surely, 2^54666685 is an apocalyptic number.

It is an amenable number.

54666685 is a deficient number, since it is larger than the sum of its proper divisors (11041091).

54666685 is a wasteful number, since it uses less digits than its factorization.

54666685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17963.

The product of its digits is 1036800, while the sum is 46.

The square root of 54666685 is about 7393.6922440686. The cubic root of 54666685 is about 379.5254579642.

The spelling of 54666685 in words is "fifty-four million, six hundred sixty-six thousand, six hundred eighty-five".