54556664 has 8 divisors (see below), whose sum is σ = 102293760. Its totient is φ = 27278328.

The previous prime is 54556639. The next prime is 54556669. The reversal of 54556664 is 46665545.

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 (54556669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409784 + ... + 3409799.

It is an arithmetic number, because the mean of its divisors is an integer number (12786720).

Almost surely, 2^54556664 is an apocalyptic number.

It is an amenable number.

54556664 is a deficient number, since it is larger than the sum of its proper divisors (47737096).

54556664 is a wasteful number, since it uses less digits than its factorization.

54556664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819589 (or 6819585 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 54556664 is about 7386.2483034352. The cubic root of 54556664 is about 379.2706786958.

The spelling of 54556664 in words is "fifty-four million, five hundred fifty-six thousand, six hundred sixty-four".