43275565 has 16 divisors (see below), whose sum is σ = 53101440. Its totient is φ = 33848640.

The previous prime is 43275527. The next prime is 43275593. The reversal of 43275565 is 56557234.

It is not a de Polignac number, because 43275565 - 2⁷ = 43275437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48907 + ... + 49783.

It is an arithmetic number, because the mean of its divisors is an integer number (3318840).

Almost surely, 2^43275565 is an apocalyptic number.

It is an amenable number.

43275565 is a deficient number, since it is larger than the sum of its proper divisors (9825875).

43275565 is a wasteful number, since it uses less digits than its factorization.

43275565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its digits is 126000, while the sum is 37.

The square root of 43275565 is about 6578.4166028004. The cubic root of 43275565 is about 351.0865958963.

The spelling of 43275565 in words is "forty-three million, two hundred seventy-five thousand, five hundred sixty-five".