557647068 has 96 divisors (see below), whose sum is σ = 1465164288. Its totient is φ = 163609600.

The previous prime is 557647067. The next prime is 557647087. The reversal of 557647068 is 860746755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557647067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903496 + ... + 904112.

It is an arithmetic number, because the mean of its divisors is an integer number (15262128).

Almost surely, 2^557647068 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 557647068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732582144).

557647068 is an abundant number, since it is smaller than the sum of its proper divisors (907517220).

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

557647068 is a wasteful number, since it uses less digits than its factorization.

557647068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 557647068 is about 23614.5520389441. The cubic root of 557647068 is about 823.1010222022.

The spelling of 557647068 in words is "five hundred fifty-seven million, six hundred forty-seven thousand, sixty-eight".