65563488 has 36 divisors (see below), whose sum is σ = 186446988. Its totient is φ = 21854400.

The previous prime is 65563457. The next prime is 65563493. The reversal of 65563488 is 88436556.

65563488 is a `hidden beast` number, since 6 + 5 + 5 + 634 + 8 + 8 = 666.

65563488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×65563488² = 8597141917452288, which contains 22 as substring.

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 in 5 ways as a sum of consecutive naturals, for example, 113538 + ... + 114113.

It is an arithmetic number, because the mean of its divisors is an integer number (5179083).

Almost surely, 2^65563488 is an apocalyptic number.

It is an amenable number.

65563488 is an abundant number, since it is smaller than the sum of its proper divisors (120883500).

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

65563488 is a wasteful number, since it uses less digits than its factorization.

65563488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227667 (or 227656 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 65563488 is about 8097.1283798641. The cubic root of 65563488 is about 403.2310964301.

The spelling of 65563488 in words is "sixty-five million, five hundred sixty-three thousand, four hundred eighty-eight".