565944445 has 8 divisors (see below), whose sum is σ = 740872800. Its totient is φ = 411595920.

The previous prime is 565944391. The next prime is 565944451. The reversal of 565944445 is 544449565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565944445 - 2¹⁷ = 565813373 is a prime.

It is a super-2 number, since 2×565944445² = 640586229652716050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 565944395 and 565944404.

It is a congruent number.

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, 5144895 + ... + 5145004.

It is an arithmetic number, because the mean of its divisors is an integer number (92609100).

Almost surely, 2^565944445 is an apocalyptic number.

565944445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

565944445 is a deficient number, since it is larger than the sum of its proper divisors (174928355).

565944445 is a wasteful number, since it uses less digits than its factorization.

565944445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289915.

The product of its digits is 1728000, while the sum is 46.

The square root of 565944445 is about 23789.5869026766. The cubic root of 565944445 is about 827.1633190091.

The spelling of 565944445 in words is "five hundred sixty-five million, nine hundred forty-four thousand, four hundred forty-five".