65515056 has 20 divisors (see below), whose sum is σ = 169247352. Its totient is φ = 21838336.

The previous prime is 65515033. The next prime is 65515057. The reversal of 65515056 is 65051556.

It is not an unprimeable number, because it can be changed into a prime (65515057) 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, 682401 + ... + 682496.

Almost surely, 2^65515056 is an apocalyptic number.

It is an amenable number.

65515056 is an abundant number, since it is smaller than the sum of its proper divisors (103732296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65515056 is a wasteful number, since it uses less digits than its factorization.

65515056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364908 (or 1364902 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 65515056 is about 8094.1371374594. The cubic root of 65515056 is about 403.1317825191.

The spelling of 65515056 in words is "sixty-five million, five hundred fifteen thousand, fifty-six".