65576 has 16 divisors (see below), whose sum is σ = 140640. Its totient is φ = 28080.

The previous prime is 65563. The next prime is 65579. The reversal of 65576 is 67556.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (65579) by changing a digit.

65576 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530 + ... + 641.

It is an arithmetic number, because the mean of its divisors is an integer number (8790).

2⁶⁵⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

65576 is an abundant number, since it is smaller than the sum of its proper divisors (75064).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70320).

65576 is a wasteful number, since it uses less digits than its factorization.

65576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1180 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 65576 is about 256.0781130827. The cubic root of 65576 is about 40.3256745394.

The spelling of 65576 in words is "sixty-five thousand, five hundred seventy-six".