65544132 has 48 divisors (see below), whose sum is σ = 157151232. Its totient is φ = 21252000.

The previous prime is 65544119. The next prime is 65544191. The reversal of 65544132 is 23144556.

It is a self number, because there is not a number n which added to its sum of digits gives 65544132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141333 + ... + 141795.

It is an arithmetic number, because the mean of its divisors is an integer number (3273984).

Almost surely, 2^65544132 is an apocalyptic number.

It is an amenable number.

65544132 is an abundant number, since it is smaller than the sum of its proper divisors (91607100).

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

65544132 is a wasteful number, since it uses less digits than its factorization.

65544132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 65544132 is about 8095.9330530829. The cubic root of 65544132 is about 403.1914111848.

Adding to 65544132 its reverse (23144556), we get a palindrome (88688688).

The spelling of 65544132 in words is "sixty-five million, five hundred forty-four thousand, one hundred thirty-two".