557097 has 4 divisors (see below), whose sum is σ = 742800. Its totient is φ = 371396.

The previous prime is 557093. The next prime is 557153. The reversal of 557097 is 790755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 557097 - 2² = 557093 is a prime.

It is a D-number.

557097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (557093) 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 3 ways as a sum of consecutive naturals, for example, 92847 + ... + 92852.

It is an arithmetic number, because the mean of its divisors is an integer number (185700).

2⁵⁵⁷⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

557097 is a deficient number, since it is larger than the sum of its proper divisors (185703).

557097 is a wasteful number, since it uses less digits than its factorization.

557097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185702.

The product of its (nonzero) digits is 11025, while the sum is 33.

The square root of 557097 is about 746.3893086051. The cubic root of 557097 is about 82.2830295124.

The spelling of 557097 in words is "five hundred fifty-seven thousand, ninety-seven".