65565256 has 8 divisors (see below), whose sum is σ = 122934870. Its totient is φ = 32782624.

The previous prime is 65565233. The next prime is 65565271. The reversal of 65565256 is 65256556.

It can be written as a sum of positive squares in only one way, i.e., 64545156 + 1020100 = 8034^2 + 1010^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097821 + ... + 4097836.

Almost surely, 2^65565256 is an apocalyptic number.

It is an amenable number.

65565256 is a deficient number, since it is larger than the sum of its proper divisors (57369614).

65565256 is a wasteful number, since it uses less digits than its factorization.

65565256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195663 (or 8195659 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The square root of 65565256 is about 8097.2375536352. The cubic root of 65565256 is about 403.2347209381.

The spelling of 65565256 in words is "sixty-five million, five hundred sixty-five thousand, two hundred fifty-six".