54664 has 8 divisors (see below), whose sum is σ = 102510. Its totient is φ = 27328.

The previous prime is 54647. The next prime is 54667. The reversal of 54664 is 46645.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52900 + 1764 = 230^2 + 42^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409 + ... + 3424.

2⁵⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

54664 is a deficient number, since it is larger than the sum of its proper divisors (47846).

54664 is a wasteful number, since it uses less digits than its factorization.

54664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839 (or 6835 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 54664 is about 233.8033361610. The cubic root of 54664 is about 37.9519244292.

The spelling of 54664 in words is "fifty-four thousand, six hundred sixty-four".