65505432 has 32 divisors (see below), whose sum is σ = 169412400. Its totient is φ = 21081984.

The previous prime is 65505421. The next prime is 65505439. The reversal of 65505432 is 23450556.

65505432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65505432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65505439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46363 + ... + 47754.

Almost surely, 2^65505432 is an apocalyptic number.

It is an amenable number.

65505432 is an abundant number, since it is smaller than the sum of its proper divisors (103906968).

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

65505432 is a wasteful number, since it uses less digits than its factorization.

65505432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94155 (or 94151 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 65505432 is about 8093.5426112426. The cubic root of 65505432 is about 403.1120418646.

Adding to 65505432 its reverse (23450556), we get a palindrome (88955988).

The spelling of 65505432 in words is "sixty-five million, five hundred five thousand, four hundred thirty-two".