65564432 has 10 divisors (see below), whose sum is σ = 127031118. Its totient is φ = 32782208.

The previous prime is 65564381. The next prime is 65564441. The reversal of 65564432 is 23446556.

It is a happy number.

65564432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54700816 + 10863616 = 7396^2 + 3296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65564392 and 65564401.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2048873 + ... + 2048904.

Almost surely, 2^65564432 is an apocalyptic number.

It is an amenable number.

65564432 is a deficient number, since it is larger than the sum of its proper divisors (61466686).

65564432 is a wasteful number, since it uses less digits than its factorization.

65564432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097785 (or 4097779 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 65564432 is about 8097.1866719250. The cubic root of 65564432 is about 403.2330316959.

The spelling of 65564432 in words is "sixty-five million, five hundred sixty-four thousand, four hundred thirty-two".