557697 has 8 divisors (see below), whose sum is σ = 849856. Its totient is φ = 318672.

The previous prime is 557693. The next prime is 557717. The reversal of 557697 is 796755.

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

It is not a de Polignac number, because 557697 - 2² = 557693 is a prime.

It is a super-2 number, since 2×557697² = 622051887618, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 557697.

It is not an unprimeable number, because it can be changed into a prime (557693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13258 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (106232).

2⁵⁵⁷⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

557697 is a deficient number, since it is larger than the sum of its proper divisors (292159).

557697 is a wasteful number, since it uses less digits than its factorization.

557697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26567.

The product of its digits is 66150, while the sum is 39.

The square root of 557697 is about 746.7911354589. The cubic root of 557697 is about 82.3125588429.

The spelling of 557697 in words is "five hundred fifty-seven thousand, six hundred ninety-seven".