557971 has 4 divisors (see below), whose sum is σ = 563200. Its totient is φ = 552744.

The previous prime is 557927. The next prime is 557981. The reversal of 557971 is 179755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179755 = 5 ⋅35951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557971 is a prime.

It is a super-2 number, since 2×557971² = 622663273682, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (140800).

2⁵⁵⁷⁹⁷¹ is an apocalyptic number.

557971 is a deficient number, since it is larger than the sum of its proper divisors (5229).

557971 is a wasteful number, since it uses less digits than its factorization.

557971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228.

The product of its digits is 11025, while the sum is 34.

The square root of 557971 is about 746.9745644933. The cubic root of 557971 is about 82.3260368597.

The spelling of 557971 in words is "five hundred fifty-seven thousand, nine hundred seventy-one".