557195268 has 120 divisors (see below), whose sum is σ = 1541580768. Its totient is φ = 156605568.

The previous prime is 557195267. The next prime is 557195297. The reversal of 557195268 is 862591755.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (557195267) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2391280 + ... + 2391512.

Almost surely, 2^557195268 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 557195268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770790384).

557195268 is an abundant number, since it is smaller than the sum of its proper divisors (984385500).

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

557195268 is a wasteful number, since it uses less digits than its factorization.

557195268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 328 counting only the distinct ones).

The product of its digits is 756000, while the sum is 48.

The square root of 557195268 is about 23604.9839652562. The cubic root of 557195268 is about 822.8786727757.

The spelling of 557195268 in words is "five hundred fifty-seven million, one hundred ninety-five thousand, two hundred sixty-eight".