557530 has 16 divisors (see below), whose sum is σ = 1013760. Its totient is φ = 220752.

The previous prime is 557521. The next prime is 557533. The reversal of 557530 is 35755.

It is a happy number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 557495 and 557504.

It is not an unprimeable number, because it can be changed into a prime (557533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

2⁵⁵⁷⁵³⁰ is an apocalyptic number.

557530 is a deficient number, since it is larger than the sum of its proper divisors (456230).

557530 is a wasteful number, since it uses less digits than its factorization.

557530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 557530 is about 746.6793153691. The cubic root of 557530 is about 82.3043419739.

The spelling of 557530 in words is "five hundred fifty-seven thousand, five hundred thirty".