65711056 has 20 divisors (see below), whose sum is σ = 127499652. Its totient is φ = 32807936.

The previous prime is 65711033. The next prime is 65711057. The reversal of 65711056 is 65011756.

It can be written as a sum of positive squares in 2 ways, for example, as 36723600 + 28987456 = 6060^2 + 5384^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65711057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10176 + ... + 15328.

Almost surely, 2^65711056 is an apocalyptic number.

It is an amenable number.

65711056 is a deficient number, since it is larger than the sum of its proper divisors (61788596).

65711056 is a wasteful number, since it uses less digits than its factorization.

65711056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5958 (or 5952 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 65711056 is about 8106.2356245054. The cubic root of 65711056 is about 403.5333958796.

The spelling of 65711056 in words is "sixty-five million, seven hundred eleven thousand, fifty-six".