557520889 has 2 divisors, whose sum is σ = 557520890. Its totient is φ = 557520888.

The previous prime is 557520883. The next prime is 557520893. The reversal of 557520889 is 988025755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543682489 + 13838400 = 23317^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 557520889 - 2⁹ = 557520377 is a prime.

It is not a weakly prime, because it can be changed into another prime (557520883) 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 as a sum of consecutive naturals, namely, 278760444 + 278760445.

It is an arithmetic number, because the mean of its divisors is an integer number (278760445).

Almost surely, 2^557520889 is an apocalyptic number.

It is an amenable number.

557520889 is a deficient number, since it is larger than the sum of its proper divisors (1).

557520889 is an equidigital number, since it uses as much as digits as its factorization.

557520889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The square root of 557520889 is about 23611.8802512633. The cubic root of 557520889 is about 823.0389363991.

The spelling of 557520889 in words is "five hundred fifty-seven million, five hundred twenty thousand, eight hundred eighty-nine".