565555141 has 4 divisors (see below), whose sum is σ = 565617132. Its totient is φ = 565493152.

The previous prime is 565555139. The next prime is 565555219. The reversal of 565555141 is 141555565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 141555565 = 5 ⋅28311113.

It can be written as a sum of positive squares in 2 ways, for example, as 183196225 + 382358916 = 13535^2 + 19554^2 .

It is a cyclic number.

It is not a de Polignac number, because 565555141 - 2¹ = 565555139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 565555141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565556141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14320 + ... + 36553.

It is an arithmetic number, because the mean of its divisors is an integer number (141404283).

Almost surely, 2^565555141 is an apocalyptic number.

It is an amenable number.

565555141 is a deficient number, since it is larger than the sum of its proper divisors (61991).

565555141 is a wasteful number, since it uses less digits than its factorization.

565555141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61990.

The product of its digits is 75000, while the sum is 37.

The square root of 565555141 is about 23781.4032596901. The cubic root of 565555141 is about 826.9736114287.

The spelling of 565555141 in words is "five hundred sixty-five million, five hundred fifty-five thousand, one hundred forty-one".