565005056 has 72 divisors (see below), whose sum is σ = 1406141184. Its totient is φ = 220124160.

The previous prime is 565005053. The next prime is 565005061. The reversal of 565005056 is 650500565.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (565005053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5381 + ... + 34043.

Almost surely, 2^565005056 is an apocalyptic number.

565005056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565005056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703070592).

565005056 is an abundant number, since it is smaller than the sum of its proper divisors (841136128).

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

565005056 is a wasteful number, since it uses less digits than its factorization.

565005056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28697 (or 28683 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 565005056 is about 23769.8350015308. The cubic root of 565005056 is about 826.7054069023.

The spelling of 565005056 in words is "five hundred sixty-five million, five thousand, fifty-six".