53385666 has 16 divisors (see below), whose sum is σ = 107097888. Its totient is φ = 17740800.

The previous prime is 53385641. The next prime is 53385677. The reversal of 53385666 is 66658335.

53385666 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, 11455 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (6693618).

Almost surely, 2^53385666 is an apocalyptic number.

53385666 is an abundant number, since it is smaller than the sum of its proper divisors (53712222).

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

53385666 is a wasteful number, since it uses less digits than its factorization.

53385666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27217.

The product of its digits is 388800, while the sum is 42.

The square root of 53385666 is about 7306.5495276498. The cubic root of 53385666 is about 376.5374886173.

The spelling of 53385666 in words is "fifty-three million, three hundred eighty-five thousand, six hundred sixty-six".