557669 has 12 divisors (see below), whose sum is σ = 684000. Its totient is φ = 452088.

The previous prime is 557663. The next prime is 557671. The reversal of 557669 is 966755.

It is not a de Polignac number, because 557669 - 2¹² = 553573 is a prime.

It is a super-2 number, since 2×557669² = 621989427122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632 + ... + 1230.

It is an arithmetic number, because the mean of its divisors is an integer number (57000).

2⁵⁵⁷⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

557669 is a deficient number, since it is larger than the sum of its proper divisors (126331).

557669 is a wasteful number, since it uses less digits than its factorization.

557669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 625 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 557669 is about 746.7723883487. The cubic root of 557669 is about 82.3111812788.

The spelling of 557669 in words is "five hundred fifty-seven thousand, six hundred sixty-nine".