563057765 has 16 divisors (see below), whose sum is σ = 740087280. Its totient is φ = 409328640.

The previous prime is 563057753. The next prime is 563057767. The reversal of 563057765 is 567750365.

It can be written as a sum of positive squares in 8 ways, for example, as 10666756 + 552391009 = 3266^2 + 23503^2 .

It is not a de Polignac number, because 563057765 - 2¹⁸ = 562795621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563057767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111746 + ... + 116675.

It is an arithmetic number, because the mean of its divisors is an integer number (46255455).

Almost surely, 2^563057765 is an apocalyptic number.

It is an amenable number.

563057765 is a deficient number, since it is larger than the sum of its proper divisors (177029515).

563057765 is a wasteful number, since it uses less digits than its factorization.

563057765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228472.

The product of its (nonzero) digits is 661500, while the sum is 44.

The square root of 563057765 is about 23728.8382564339. The cubic root of 563057765 is about 825.7545664540.

The spelling of 563057765 in words is "five hundred sixty-three million, fifty-seven thousand, seven hundred sixty-five".