563796655 has 4 divisors (see below), whose sum is σ = 676555992. Its totient is φ = 451037320.

The previous prime is 563796641. The next prime is 563796683. The reversal of 563796655 is 556697365.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 563796655 - 2¹⁵ = 563763887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 56379661 + ... + 56379670.

It is an arithmetic number, because the mean of its divisors is an integer number (169138998).

Almost surely, 2^563796655 is an apocalyptic number.

563796655 is a deficient number, since it is larger than the sum of its proper divisors (112759337).

563796655 is a wasteful number, since it uses less digits than its factorization.

563796655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112759336.

The product of its digits is 5103000, while the sum is 52.

The square root of 563796655 is about 23744.4026035611. The cubic root of 563796655 is about 826.1156159066.

The spelling of 563796655 in words is "five hundred sixty-three million, seven hundred ninety-six thousand, six hundred fifty-five".