65544332 has 12 divisors (see below), whose sum is σ = 131088720. Its totient is φ = 28090416.

The previous prime is 65544313. The next prime is 65544343. The reversal of 65544332 is 23344556.

65544332 is an admirable number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170407 + ... + 1170462.

It is an arithmetic number, because the mean of its divisors is an integer number (10924060).

Almost surely, 2^65544332 is an apocalyptic number.

It is an amenable number.

65544332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65544332 is a wasteful number, since it uses less digits than its factorization.

65544332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340880 (or 2340878 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 65544332 is about 8095.9454049543. The cubic root of 65544332 is about 403.1918212810.

Adding to 65544332 its reverse (23344556), we get a palindrome (88888888).

The spelling of 65544332 in words is "sixty-five million, five hundred forty-four thousand, three hundred thirty-two".