557969 has 8 divisors (see below), whose sum is σ = 591360. Its totient is φ = 525600.

The previous prime is 557927. The next prime is 557981. The reversal of 557969 is 969755.

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

It is a cyclic number.

It is not a de Polignac number, because 557969 - 2¹² = 553873 is a prime.

It is a super-2 number, since 2×557969² = 622658809922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557069) 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 7 ways as a sum of consecutive naturals, for example, 1052 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁵⁵⁷⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

557969 is a deficient number, since it is larger than the sum of its proper divisors (33391).

557969 is a wasteful number, since it uses less digits than its factorization.

557969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its digits is 85050, while the sum is 41.

The square root of 557969 is about 746.9732257585. The cubic root of 557969 is about 82.3259384960.

The spelling of 557969 in words is "five hundred fifty-seven thousand, nine hundred sixty-nine".