557287896 has 128 divisors (see below), whose sum is σ = 1593043200. Its totient is φ = 160903680.

The previous prime is 557287891. The next prime is 557287901. The reversal of 557287896 is 698782755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (557287891) and next prime (557287901).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557287891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635010 + ... + 635886.

It is an arithmetic number, because the mean of its divisors is an integer number (12445650).

Almost surely, 2^557287896 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 557287896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796521600).

557287896 is an abundant number, since it is smaller than the sum of its proper divisors (1035755304).

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

557287896 is a wasteful number, since it uses less digits than its factorization.

557287896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1005 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 57.

The square root of 557287896 is about 23606.9459269936. The cubic root of 557287896 is about 822.9242686297.

The spelling of 557287896 in words is "five hundred fifty-seven million, two hundred eighty-seven thousand, eight hundred ninety-six".