565855488 has 216 divisors, whose sum is σ = 1807958880. Its totient is φ = 168775680.

The previous prime is 565855487. The next prime is 565855501. The reversal of 565855488 is 884558565.

565855488 is a `hidden beast` number, since 5 + 6 + 5 + 8 + 554 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565855487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2103418 + ... + 2103686.

It is an arithmetic number, because the mean of its divisors is an integer number (8370180).

Almost surely, 2^565855488 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 565855488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903979440).

565855488 is an abundant number, since it is smaller than the sum of its proper divisors (1242103392).

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

565855488 is a wasteful number, since it uses less digits than its factorization.

565855488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 368 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 54.

The square root of 565855488 is about 23787.7171666388. The cubic root of 565855488 is about 827.1199779923.

The spelling of 565855488 in words is "five hundred sixty-five million, eight hundred fifty-five thousand, four hundred eighty-eight".