557988863 has 4 divisors (see below), whose sum is σ = 558077688. Its totient is φ = 557900040.

The previous prime is 557988853. The next prime is 557988869. The reversal of 557988863 is 368889755.

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

It is a cyclic number.

It is not a de Polignac number, because 557988863 - 2⁶ = 557988799 is a prime.

It is a super-2 number, since 2×557988863² = 622703142464065538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557988869) by changing a digit.

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, 34208 + ... + 47813.

It is an arithmetic number, because the mean of its divisors is an integer number (139519422).

Almost surely, 2^557988863 is an apocalyptic number.

557988863 is a deficient number, since it is larger than the sum of its proper divisors (88825).

557988863 is an equidigital number, since it uses as much as digits as its factorization.

557988863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88824.

The product of its digits is 14515200, while the sum is 59.

The square root of 557988863 is about 23621.7878874568. The cubic root of 557988863 is about 823.2691538463.

The spelling of 557988863 in words is "five hundred fifty-seven million, nine hundred eighty-eight thousand, eight hundred sixty-three".