54578860664 has 8 divisors (see below), whose sum is σ = 102335363760. Its totient is φ = 27289430328.

The previous prime is 54578860657. The next prime is 54578860669. The reversal of 54578860664 is 46606887545.

It is a happy number.

54578860664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54578860669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411178784 + ... + 3411178799.

It is an arithmetic number, because the mean of its divisors is an integer number (12791920470).

Almost surely, 2^54578860664 is an apocalyptic number.

It is an amenable number.

54578860664 is a deficient number, since it is larger than the sum of its proper divisors (47756503096).

54578860664 is a wasteful number, since it uses less digits than its factorization.

54578860664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822357589 (or 6822357585 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 54578860664 in words is "fifty-four billion, five hundred seventy-eight million, eight hundred sixty thousand, six hundred sixty-four".