557930 has 8 divisors (see below), whose sum is σ = 1004292. Its totient is φ = 223168.

The previous prime is 557927. The next prime is 557981. The reversal of 557930 is 39755.

It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 58081 = 707^2 + 241^2 .

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

It is a super-2 number, since 2×557930² = 622571769800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557893 and 557902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27887 + ... + 27906.

2⁵⁵⁷⁹³⁰ is an apocalyptic number.

557930 is a deficient number, since it is larger than the sum of its proper divisors (446362).

557930 is a wasteful number, since it uses less digits than its factorization.

557930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55800.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 557930 is about 746.9471199489. The cubic root of 557930 is about 82.3240203569.

The spelling of 557930 in words is "five hundred fifty-seven thousand, nine hundred thirty".