65560506 has 16 divisors (see below), whose sum is σ = 143041248. Its totient is φ = 19866800.

The previous prime is 65560501. The next prime is 65560519. The reversal of 65560506 is 60506556.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (65560501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496605 + ... + 496736.

It is an arithmetic number, because the mean of its divisors is an integer number (8940078).

Almost surely, 2^65560506 is an apocalyptic number.

65560506 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65560506 is an abundant number, since it is smaller than the sum of its proper divisors (77480742).

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

65560506 is a wasteful number, since it uses less digits than its factorization.

65560506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993357.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 65560506 is about 8096.9442384149. The cubic root of 65560506 is about 403.2249830002.

It can be divided in two parts, 65560 and 506, that added together give a palindrome (66066).

The spelling of 65560506 in words is "sixty-five million, five hundred sixty thousand, five hundred six".