557568863 has 2 divisors, whose sum is σ = 557568864. Its totient is φ = 557568862.

The previous prime is 557568827. The next prime is 557568887. The reversal of 557568863 is 368865755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557568863 - 2⁸ = 557568607 is a prime.

It is a super-2 number, since 2×557568863² = 621766073974225538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557568163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278784431 + 278784432.

It is an arithmetic number, because the mean of its divisors is an integer number (278784432).

Almost surely, 2^557568863 is an apocalyptic number.

557568863 is a deficient number, since it is larger than the sum of its proper divisors (1).

557568863 is an equidigital number, since it uses as much as digits as its factorization.

557568863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 53.

The square root of 557568863 is about 23612.8961163175. The cubic root of 557568863 is about 823.0625428913.

It can be divided in two parts, 557568 and 863, that multiplied together give a palindrome (481181184).

The spelling of 557568863 in words is "five hundred fifty-seven million, five hundred sixty-eight thousand, eight hundred sixty-three".