565851328 has 56 divisors (see below), whose sum is σ = 1286674592. Its totient is φ = 241864704.

The previous prime is 565851289. The next prime is 565851329. The reversal of 565851328 is 823158565.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (565851329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192526 + ... + 195442.

It is an arithmetic number, because the mean of its divisors is an integer number (22976332).

Almost surely, 2^565851328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565851328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643337296).

565851328 is an abundant number, since it is smaller than the sum of its proper divisors (720823264).

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

565851328 is a wasteful number, since it uses less digits than its factorization.

565851328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3359 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 565851328 is about 23787.6297263935. The cubic root of 565851328 is about 827.1179510746.

The spelling of 565851328 in words is "five hundred sixty-five million, eight hundred fifty-one thousand, three hundred twenty-eight".