557575257 has 16 divisors (see below), whose sum is σ = 769896000. Its totient is φ = 358513344.

The previous prime is 557575253. The next prime is 557575259. The reversal of 557575257 is 752575755.

It is not a de Polignac number, because 557575257 - 2² = 557575253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557575253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93594 + ... + 99372.

It is an arithmetic number, because the mean of its divisors is an integer number (48118500).

Almost surely, 2^557575257 is an apocalyptic number.

It is an amenable number.

557575257 is a deficient number, since it is larger than the sum of its proper divisors (212320743).

557575257 is a wasteful number, since it uses less digits than its factorization.

557575257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920.

The product of its digits is 2143750, while the sum is 48.

The square root of 557575257 is about 23613.0315080466. The cubic root of 557575257 is about 823.0656890747.

The spelling of 557575257 in words is "five hundred fifty-seven million, five hundred seventy-five thousand, two hundred fifty-seven".