563056791 has 32 divisors (see below), whose sum is σ = 832156416. Its totient is φ = 335808000.

The previous prime is 563056783. The next prime is 563056799. The reversal of 563056791 is 197650365.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (563056783) and next prime (563056799).

It is not a de Polignac number, because 563056791 - 2³ = 563056783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563056799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638671 + ... + 639551.

It is an arithmetic number, because the mean of its divisors is an integer number (26004888).

Almost surely, 2^563056791 is an apocalyptic number.

563056791 is a deficient number, since it is larger than the sum of its proper divisors (269099625).

563056791 is a wasteful number, since it uses less digits than its factorization.

563056791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 563056791 is about 23728.8177328749. The cubic root of 563056791 is about 825.7540903126.

The spelling of 563056791 in words is "five hundred sixty-three million, fifty-six thousand, seven hundred ninety-one".