557204 has 6 divisors (see below), whose sum is σ = 975114. Its totient is φ = 278600.

The previous prime is 557201. The next prime is 557261. The reversal of 557204 is 402755.

It can be written as a sum of positive squares in only one way, i.e., 547600 + 9604 = 740^2 + 98^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 557204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557201) by changing a digit.

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, 69647 + ... + 69654.

It is an arithmetic number, because the mean of its divisors is an integer number (162519).

2⁵⁵⁷²⁰⁴ is an apocalyptic number.

It is an amenable number.

557204 is a deficient number, since it is larger than the sum of its proper divisors (417910).

557204 is a wasteful number, since it uses less digits than its factorization.

557204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139305 (or 139303 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 557204 is about 746.4609835752. The cubic root of 557204 is about 82.2882971292.

Adding to 557204 its reverse (402755), we get a palindrome (959959).

Subtracting from 557204 its reverse (402755), we obtain a square (154449 = 393²).

The spelling of 557204 in words is "five hundred fifty-seven thousand, two hundred four".