65510056 has 8 divisors (see below), whose sum is σ = 122831370. Its totient is φ = 32755024.

The previous prime is 65510033. The next prime is 65510059. The reversal of 65510056 is 65001556.

It can be written as a sum of positive squares in only one way, i.e., 60062500 + 5447556 = 7750^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (65510059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4094371 + ... + 4094386.

Almost surely, 2^65510056 is an apocalyptic number.

It is an amenable number.

65510056 is a deficient number, since it is larger than the sum of its proper divisors (57321314).

65510056 is a wasteful number, since it uses less digits than its factorization.

65510056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188763 (or 8188759 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 65510056 is about 8093.8282660309. The cubic root of 65510056 is about 403.1215268094.

The spelling of 65510056 in words is "sixty-five million, five hundred ten thousand, fifty-six".