65355312 has 80 divisors (see below), whose sum is σ = 188737920. Its totient is φ = 19315200.

The previous prime is 65355289. The next prime is 65355317. The reversal of 65355312 is 21355356.

It is a self number, because there is not a number n which added to its sum of digits gives 65355312.

It is not an unprimeable number, because it can be changed into a prime (65355317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20139 + ... + 23157.

It is an arithmetic number, because the mean of its divisors is an integer number (2359224).

Almost surely, 2^65355312 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 65355312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94368960).

65355312 is an abundant number, since it is smaller than the sum of its proper divisors (123382608).

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

65355312 is a wasteful number, since it uses less digits than its factorization.

65355312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3076 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 65355312 is about 8084.2632317361. The cubic root of 65355312 is about 402.8038665742.

The spelling of 65355312 in words is "sixty-five million, three hundred fifty-five thousand, three hundred twelve".