557866296 has 216 divisors, whose sum is σ = 1740286080. Its totient is φ = 161336448.

The previous prime is 557866291. The next prime is 557866313. The reversal of 557866296 is 692668755.

It is a happy number.

557866296 is a `hidden beast` number, since 5 + 5 + 7 + 8 + 6 + 629 + 6 = 666.

It is a super-2 number, since 2×557866296² = 622429608425519232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557866291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4392585 + ... + 4392711.

It is an arithmetic number, because the mean of its divisors is an integer number (8056880).

Almost surely, 2^557866296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557866296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870143040).

557866296 is an abundant number, since it is smaller than the sum of its proper divisors (1182419784).

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

557866296 is a wasteful number, since it uses less digits than its factorization.

557866296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 164 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 557866296 is about 23619.1933816547. The cubic root of 557866296 is about 823.2088700747.

The spelling of 557866296 in words is "five hundred fifty-seven million, eight hundred sixty-six thousand, two hundred ninety-six".