65505882 has 32 divisors (see below), whose sum is σ = 148518720. Its totient is φ = 19094400.

The previous prime is 65505779. The next prime is 65505889. The reversal of 65505882 is 28850556.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 65505882.

It is not an unprimeable number, because it can be changed into a prime (65505889) 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, 20619 + ... + 23582.

It is an arithmetic number, because the mean of its divisors is an integer number (4641210).

Almost surely, 2^65505882 is an apocalyptic number.

65505882 is an abundant number, since it is smaller than the sum of its proper divisors (83012838).

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

65505882 is a wasteful number, since it uses less digits than its factorization.

65505882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44238.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 65505882 is about 8093.5704111350. The cubic root of 65505882 is about 403.1129649433.

The spelling of 65505882 in words is "sixty-five million, five hundred five thousand, eight hundred eighty-two".