54513870666 has 8 divisors (see below), whose sum is σ = 109027741344. Its totient is φ = 18171290220.

The previous prime is 54513870659. The next prime is 54513870701. The reversal of 54513870666 is 66607831545.

54513870666 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.

54513870666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542822550 + ... + 4542822561.

It is an arithmetic number, because the mean of its divisors is an integer number (13628467668).

Almost surely, 2^54513870666 is an apocalyptic number.

54513870666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54513870666 is a wasteful number, since it uses less digits than its factorization.

54513870666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085645116.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 54513870666 in words is "fifty-four billion, five hundred thirteen million, eight hundred seventy thousand, six hundred sixty-six".