54568664 has 8 divisors (see below), whose sum is σ = 102316260. Its totient is φ = 27284328.

The previous prime is 54568643. The next prime is 54568667. The reversal of 54568664 is 46686545.

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 (54568667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3410534 + ... + 3410549.

Almost surely, 2^54568664 is an apocalyptic number.

It is an amenable number.

54568664 is a deficient number, since it is larger than the sum of its proper divisors (47747596).

54568664 is a wasteful number, since it uses less digits than its factorization.

54568664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821089 (or 6821085 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 54568664 is about 7387.0605791478. The cubic root of 54568664 is about 379.2984841258.

The spelling of 54568664 in words is "fifty-four million, five hundred sixty-eight thousand, six hundred sixty-four".