557677 has 4 divisors (see below), whose sum is σ = 564480. Its totient is φ = 550876.

The previous prime is 557671. The next prime is 557693. The reversal of 557677 is 776755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557677 is a prime.

It is a super-2 number, since 2×557677² = 622007272658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557671) 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, 3277 + ... + 3442.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2⁵⁵⁷⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

557677 is a deficient number, since it is larger than the sum of its proper divisors (6803).

557677 is an equidigital number, since it uses as much as digits as its factorization.

557677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802.

The product of its digits is 51450, while the sum is 37.

The square root of 557677 is about 746.7777447139. Note that the first 4 decimals coincide. The cubic root of 557677 is about 82.3115748732.

The spelling of 557677 in words is "five hundred fifty-seven thousand, six hundred seventy-seven".