65365056 has 112 divisors (see below), whose sum is σ = 194950080. Its totient is φ = 21741696.

The previous prime is 65365049. The next prime is 65365087. The reversal of 65365056 is 65056356.

It is a happy number.

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

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 65365056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139735 + ... + 140201.

Almost surely, 2^65365056 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 65365056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97475040).

65365056 is an abundant number, since it is smaller than the sum of its proper divisors (129585024).

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

65365056 is an frugal number, since it uses more digits than its factorization.

65365056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 65365056 is about 8084.8658615960. The cubic root of 65365056 is about 402.8238839516.

The spelling of 65365056 in words is "sixty-five million, three hundred sixty-five thousand, fifty-six".