557705 has 8 divisors (see below), whose sum is σ = 679104. Its totient is φ = 439600.

The previous prime is 557693. The next prime is 557717. The reversal of 557705 is 507755.

It is an interprime number because it is at equal distance from previous prime (557693) and next prime (557717).

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

It is not a de Polignac number, because 557705 - 2⁸ = 557449 is a prime.

It is a super-2 number, since 2×557705² = 622069734050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (84888).

2⁵⁵⁷⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

557705 is a deficient number, since it is larger than the sum of its proper divisors (121399).

557705 is a wasteful number, since it uses less digits than its factorization.

557705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 6125, while the sum is 29.

The square root of 557705 is about 746.7964916897. The cubic root of 557705 is about 82.3129524242.

The spelling of 557705 in words is "five hundred fifty-seven thousand, seven hundred five".