54666686 has 32 divisors (see below), whose sum is σ = 90288000. Its totient is φ = 24730272.

The previous prime is 54666659. The next prime is 54666701. The reversal of 54666686 is 68666645.

54666686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 54666686.

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 15 ways as a sum of consecutive naturals, for example, 82625 + ... + 83283.

It is an arithmetic number, because the mean of its divisors is an integer number (2821500).

Almost surely, 2^54666686 is an apocalyptic number.

54666686 is a deficient number, since it is larger than the sum of its proper divisors (35621314).

54666686 is a wasteful number, since it uses less digits than its factorization.

54666686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its digits is 1244160, while the sum is 47.

The square root of 54666686 is about 7393.6923116938. The cubic root of 54666686 is about 379.5254602784.

The spelling of 54666686 in words is "fifty-four million, six hundred sixty-six thousand, six hundred eighty-six".