557993089 has 4 divisors (see below), whose sum is σ = 577234260. Its totient is φ = 538751920.

The previous prime is 557993077. The next prime is 557993099. The reversal of 557993089 is 980399755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 303909489 + 254083600 = 17433^2 + 15940^2 .

It is a cyclic number.

It is not a de Polignac number, because 557993089 - 2⁷ = 557992961 is a prime.

It is a super-2 number, since 2×557993089² = 622712574743523842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557993099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9620542 + ... + 9620599.

It is an arithmetic number, because the mean of its divisors is an integer number (144308565).

Almost surely, 2^557993089 is an apocalyptic number.

It is an amenable number.

557993089 is a deficient number, since it is larger than the sum of its proper divisors (19241171).

557993089 is a wasteful number, since it uses less digits than its factorization.

557993089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241170.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The square root of 557993089 is about 23621.8773386029. The cubic root of 557993089 is about 823.2712322192.

The spelling of 557993089 in words is "five hundred fifty-seven million, nine hundred ninety-three thousand, eighty-nine".