557016 has 16 divisors (see below), whose sum is σ = 1392600. Its totient is φ = 185664.

The previous prime is 556999. The next prime is 557017. The reversal of 557016 is 610755.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 23209 = 557016 / (5 + 5 + 7 + 0 + 1 + 6).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557017) by changing a digit.

557016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11581 + ... + 11628.

2⁵⁵⁷⁰¹⁶ is an apocalyptic number.

It is an amenable number.

557016 is an abundant number, since it is smaller than the sum of its proper divisors (835584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557016 is a wasteful number, since it uses less digits than its factorization.

557016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218 (or 23214 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 557016 is about 746.3350454052. The cubic root of 557016 is about 82.2790414287.

Adding to 557016 its sum of digits (24), we get a triangular number (557040 = T₁₀₅₅).

The spelling of 557016 in words is "five hundred fifty-seven thousand, sixteen".