561065056 has 12 divisors (see below), whose sum is σ = 1104596892. Its totient is φ = 280532512.

The previous prime is 561065053. The next prime is 561065081. The reversal of 561065056 is 650560165.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561065053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8766610 + ... + 8766673.

It is an arithmetic number, because the mean of its divisors is an integer number (92049741).

Almost surely, 2^561065056 is an apocalyptic number.

It is an amenable number.

561065056 is a deficient number, since it is larger than the sum of its proper divisors (543531836).

561065056 is a wasteful number, since it uses less digits than its factorization.

561065056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17533293 (or 17533285 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 561065056 is about 23686.8118580783. The cubic root of 561065056 is about 824.7792766118.

The spelling of 561065056 in words is "five hundred sixty-one million, sixty-five thousand, fifty-six".