54566320 has 20 divisors (see below), whose sum is σ = 126866880. Its totient is φ = 21826496.

The previous prime is 54566299. The next prime is 54566321. The reversal of 54566320 is 2366545.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (54566321) 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 in 3 ways as a sum of consecutive naturals, for example, 340960 + ... + 341119.

It is an arithmetic number, because the mean of its divisors is an integer number (6343344).

Almost surely, 2^54566320 is an apocalyptic number.

It is an amenable number.

54566320 is an abundant number, since it is smaller than the sum of its proper divisors (72300560).

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

54566320 is a wasteful number, since it uses less digits than its factorization.

54566320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682092 (or 682086 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 54566320 is about 7386.9019216448. The cubic root of 54566320 is about 379.2930531188.

The spelling of 54566320 in words is "fifty-four million, five hundred sixty-six thousand, three hundred twenty".