65455216 has 20 divisors (see below), whose sum is σ = 126945000. Its totient is φ = 32695232.

The previous prime is 65455207. The next prime is 65455259. The reversal of 65455216 is 61255456.

65455216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30135 + ... + 32233.

It is an arithmetic number, because the mean of its divisors is an integer number (6347250).

Almost surely, 2^65455216 is an apocalyptic number.

It is an amenable number.

65455216 is a deficient number, since it is larger than the sum of its proper divisors (61489784).

65455216 is a wasteful number, since it uses less digits than its factorization.

65455216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056 (or 4050 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 65455216 is about 8090.4397902710. The cubic root of 65455216 is about 403.0090079201.

The spelling of 65455216 in words is "sixty-five million, four hundred fifty-five thousand, two hundred sixteen".