65544055233 has 4 divisors (see below), whose sum is σ = 87392073648. Its totient is φ = 43696036820.

The previous prime is 65544055207. The next prime is 65544055243. The reversal of 65544055233 is 33255044556.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65544055233 - 2⁵ = 65544055201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65544055243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10924009203 + ... + 10924009208.

It is an arithmetic number, because the mean of its divisors is an integer number (21848018412).

Almost surely, 2^65544055233 is an apocalyptic number.

It is an amenable number.

65544055233 is a deficient number, since it is larger than the sum of its proper divisors (21848018415).

65544055233 is a wasteful number, since it uses less digits than its factorization.

65544055233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21848018414.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 65544055233 its reverse (33255044556), we get a palindrome (98799099789).

The spelling of 65544055233 in words is "sixty-five billion, five hundred forty-four million, fifty-five thousand, two hundred thirty-three".