557001 has 12 divisors (see below), whose sum is σ = 811200. Its totient is φ = 368280.

The previous prime is 556999. The next prime is 557017. The reversal of 557001 is 100755.

It is a happy number.

It is not a de Polignac number, because 557001 - 2¹ = 556999 is a prime.

It is a super-2 number, since 2×557001² = 620500228002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1636 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (67600).

2⁵⁵⁷⁰⁰¹ is an apocalyptic number.

It is an amenable number.

557001 is a deficient number, since it is larger than the sum of its proper divisors (254199).

557001 is a wasteful number, since it uses less digits than its factorization.

557001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 557001 is about 746.3249962315. The cubic root of 557001 is about 82.2783028522.

Adding to 557001 its reverse (100755), we get a palindrome (657756).

It can be divided in two parts, 55 and 7001, that added together give a square (7056 = 84²).

The spelling of 557001 in words is "five hundred fifty-seven thousand, one".