65393568 has 60 divisors (see below), whose sum is σ = 192328290. Its totient is φ = 21796992.

The previous prime is 65393557. The next prime is 65393597. The reversal of 65393568 is 86539356.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 944784 = 8028^2 + 972^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10023 + ... + 15206.

Almost surely, 2^65393568 is an apocalyptic number.

It is an amenable number.

65393568 is an abundant number, since it is smaller than the sum of its proper divisors (126934722).

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

65393568 is a wasteful number, since it uses less digits than its factorization.

65393568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25251 (or 25234 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 65393568 is about 8086.6289639132. The cubic root of 65393568 is about 402.8824455426.

The spelling of 65393568 in words is "sixty-five million, three hundred ninety-three thousand, five hundred sixty-eight".