567784855225 has 27 divisors (see below), whose sum is σ = 819038728557. Its totient is φ = 389320102080.

The previous prime is 567784855171. The next prime is 567784855229. The reversal of 567784855225 is 522558487765.

It is a happy number.

The square root of 567784855225 is 753515.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 135226088361 + 432558766864 = 367731^2 + 657692^2 .

It is not a de Polignac number, because 567784855225 - 2¹⁵ = 567784822457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (567784855229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26362261 + ... + 26383789.

Almost surely, 2^567784855225 is an apocalyptic number.

567784855225 is the 753515-th square number.

567784855225 is the 376758-th centered octagonal number.

It is an amenable number.

567784855225 is a deficient number, since it is larger than the sum of its proper divisors (251253873332).

567784855225 is an frugal number, since it uses more digits than its factorization.

567784855225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43082 (or 21541 counting only the distinct ones).

The product of its digits is 188160000, while the sum is 64.

Multiplying 567784855225 by its sum of digits (64), we get a square (36338230734400 = 6028120²).

The spelling of 567784855225 in words is "five hundred sixty-seven billion, seven hundred eighty-four million, eight hundred fifty-five thousand, two hundred twenty-five".