565085856 has 48 divisors (see below), whose sum is σ = 1531208448. Its totient is φ = 182284800.

The previous prime is 565085837. The next prime is 565085863. The reversal of 565085856 is 658580565.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×565085856³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91965 + ... + 97916.

It is an arithmetic number, because the mean of its divisors is an integer number (31900176).

Almost surely, 2^565085856 is an apocalyptic number.

It is an amenable number.

565085856 is an abundant number, since it is smaller than the sum of its proper divisors (966122592).

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

565085856 is a wasteful number, since it uses less digits than its factorization.

565085856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189925 (or 189917 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 48.

The square root of 565085856 is about 23771.5345739395. The cubic root of 565085856 is about 826.7448134009.

The spelling of 565085856 in words is "five hundred sixty-five million, eighty-five thousand, eight hundred fifty-six".