65595530 has 64 divisors (see below), whose sum is σ = 158554368. Its totient is φ = 18869760.

The previous prime is 65595529. The next prime is 65595559. The reversal of 65595530 is 3559556.

It is a happy number.

65595530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6734 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (2477412).

Almost surely, 2^65595530 is an apocalyptic number.

65595530 is an abundant number, since it is smaller than the sum of its proper divisors (92958838).

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

65595530 is a wasteful number, since it uses less digits than its factorization.

65595530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591.

The product of its (nonzero) digits is 101250, while the sum is 38.

The square root of 65595530 is about 8099.1067408696. The cubic root of 65595530 is about 403.2967743806.

It can be divided in two parts, 65 and 595530, that added together give a palindrome (595595).

The spelling of 65595530 in words is "sixty-five million, five hundred ninety-five thousand, five hundred thirty".