557233 has 4 divisors (see below), whose sum is σ = 560628. Its totient is φ = 553840.

The previous prime is 557201. The next prime is 557261. The reversal of 557233 is 332755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 85264 = 687^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 557233 - 2⁵ = 557201 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5² + 5² + 2¹⁸ + 7⁶ + 3⁵ + 3¹¹ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557198 and 557207.

It is not an unprimeable number, because it can be changed into a prime (557273) 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, 1438 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (140157).

2⁵⁵⁷²³³ is an apocalyptic number.

It is an amenable number.

557233 is a deficient number, since it is larger than the sum of its proper divisors (3395).

557233 is a wasteful number, since it uses less digits than its factorization.

557233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394.

The product of its digits is 3150, while the sum is 25.

The square root of 557233 is about 746.4804083163. The cubic root of 557233 is about 82.2897246849.

Adding to 557233 its reverse (332755), we get a palindrome (889988).

The spelling of 557233 in words is "five hundred fifty-seven thousand, two hundred thirty-three".