557132969 has 8 divisors (see below), whose sum is σ = 577137960. Its totient is φ = 537433600.

The previous prime is 557132963. The next prime is 557132981. The reversal of 557132969 is 969231755.

It can be written as a sum of positive squares in 4 ways, for example, as 5822569 + 551310400 = 2413^2 + 23480^2 .

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 557132969 - 2²⁰ = 556084393 is a prime.

It is a super-2 number, since 2×557132969² = 620794290293509922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557132963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72692 + ... + 79989.

It is an arithmetic number, because the mean of its divisors is an integer number (72142245).

Almost surely, 2^557132969 is an apocalyptic number.

It is an amenable number.

557132969 is a deficient number, since it is larger than the sum of its proper divisors (20004991).

557132969 is a wasteful number, since it uses less digits than its factorization.

557132969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152811.

The product of its digits is 510300, while the sum is 47.

The square root of 557132969 is about 23603.6643129833. The cubic root of 557132969 is about 822.8480034382.

The spelling of 557132969 in words is "five hundred fifty-seven million, one hundred thirty-two thousand, nine hundred sixty-nine".