65253456 has 60 divisors (see below), whose sum is σ = 183419808. Its totient is φ = 21655872.

The previous prime is 65253449. The next prime is 65253479. The reversal of 65253456 is 65435256.

It is a happy number.

65253456 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (108000) is a multiple of the sum of its prime factors (2000).

It is a self number, because there is not a number n which added to its sum of digits gives 65253456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37011 + ... + 38733.

Almost surely, 2^65253456 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 65253456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91709904).

65253456 is an abundant number, since it is smaller than the sum of its proper divisors (118166352).

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

65253456 is a wasteful number, since it uses less digits than its factorization.

65253456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1991 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 65253456 is about 8077.9611288988. The cubic root of 65253456 is about 402.5945016843.

The spelling of 65253456 in words is "sixty-five million, two hundred fifty-three thousand, four hundred fifty-six".