557998801 has 2 divisors, whose sum is σ = 557998802. Its totient is φ = 557998800.

The previous prime is 557998799. The next prime is 557998811. The reversal of 557998801 is 108899755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536385600 + 21613201 = 23160^2 + 4649^2 .

It is a cyclic number.

It is not a de Polignac number, because 557998801 - 2¹ = 557998799 is a prime.

It is a super-2 number, since 2×557998801² = 622725323834875202, which contains 22 as substring.

Together with 557998799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (557998811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278999400 + 278999401.

It is an arithmetic number, because the mean of its divisors is an integer number (278999401).

Almost surely, 2^557998801 is an apocalyptic number.

It is an amenable number.

557998801 is a deficient number, since it is larger than the sum of its proper divisors (1).

557998801 is an equidigital number, since it uses as much as digits as its factorization.

557998801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 52.

The square root of 557998801 is about 23621.9982431631. The cubic root of 557998801 is about 823.2740413993.

The spelling of 557998801 in words is "five hundred fifty-seven million, nine hundred ninety-eight thousand, eight hundred one".