557336905 has 8 divisors (see below), whose sum is σ = 674723592. Its totient is φ = 441923328.

The previous prime is 557336867. The next prime is 557336909. The reversal of 557336905 is 509633755.

It can be written as a sum of positive squares in 4 ways, for example, as 55756089 + 501580816 = 7467^2 + 22396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557336905 - 2¹⁷ = 557205833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557336909) 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 in 7 ways as a sum of consecutive naturals, for example, 492654 + ... + 493783.

It is an arithmetic number, because the mean of its divisors is an integer number (84340449).

Almost surely, 2^557336905 is an apocalyptic number.

It is an amenable number.

557336905 is a deficient number, since it is larger than the sum of its proper divisors (117386687).

557336905 is a wasteful number, since it uses less digits than its factorization.

557336905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986555.

The product of its (nonzero) digits is 425250, while the sum is 43.

The square root of 557336905 is about 23607.9839249352. The cubic root of 557336905 is about 822.9483911187.

The spelling of 557336905 in words is "five hundred fifty-seven million, three hundred thirty-six thousand, nine hundred five".