65450 has 48 divisors (see below), whose sum is σ = 160704. Its totient is φ = 19200.

The previous prime is 65449. The next prime is 65479. The reversal of 65450 is 5456.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4 and base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3842 + ... + 3858.

It is an arithmetic number, because the mean of its divisors is an integer number (3348).

2⁶⁵⁴⁵⁰ is an apocalyptic number.

65450 is an abundant number, since it is smaller than the sum of its proper divisors (95254).

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 (80352).

65450 is a wasteful number, since it uses less digits than its factorization.

65450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 65450 is about 255.8319761093. The cubic root of 65450 is about 40.2998302632.

It can be divided in two parts, 65 and 450, that added together give a palindrome (515).

The spelling of 65450 in words is "sixty-five thousand, four hundred fifty".