65455488 has 96 divisors (see below), whose sum is σ = 215289360. Its totient is φ = 18699264.

The previous prime is 65455487. The next prime is 65455531. The reversal of 65455488 is 88455456.

65455488 is a `hidden beast` number, since 65 + 45 + 548 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65455487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4006 + ... + 12122.

Almost surely, 2^65455488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65455488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107644680).

65455488 is an abundant number, since it is smaller than the sum of its proper divisors (149833872).

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

65455488 is a wasteful number, since it uses less digits than its factorization.

65455488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144 (or 8129 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 65455488 is about 8090.4566002173. The cubic root of 65455488 is about 403.0095661557.

The spelling of 65455488 in words is "sixty-five million, four hundred fifty-five thousand, four hundred eighty-eight".