557456 has 10 divisors (see below), whose sum is σ = 1080102. Its totient is φ = 278720.

The previous prime is 557449. The next prime is 557461. The reversal of 557456 is 654755.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 173056 = 620^2 + 416^2 .

It is an unprimeable number.

557456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17405 + ... + 17436.

2⁵⁵⁷⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

557456 is a deficient number, since it is larger than the sum of its proper divisors (522646).

557456 is a wasteful number, since it uses less digits than its factorization.

557456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34849 (or 34843 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 557456 is about 746.6297609927. The cubic root of 557456 is about 82.3007004414.

The spelling of 557456 in words is "five hundred fifty-seven thousand, four hundred fifty-six".