65548288 has 52 divisors (see below), whose sum is σ = 141278368. Its totient is φ = 30228480.

The previous prime is 65548253. The next prime is 65548289. The reversal of 65548288 is 88284556.

It is a tau number, because it is divible by the number of its divisors (52).

It is not an unprimeable number, because it can be changed into a prime (65548289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52633 + ... + 53863.

Almost surely, 2^65548288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65548288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70639184).

65548288 is an abundant number, since it is smaller than the sum of its proper divisors (75730080).

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

65548288 is a wasteful number, since it uses less digits than its factorization.

65548288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1246 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 65548288 is about 8096.1897210972. The cubic root of 65548288 is about 403.1999328126.

The spelling of 65548288 in words is "sixty-five million, five hundred forty-eight thousand, two hundred eighty-eight".