557223768 has 48 divisors (see below), whose sum is σ = 1537632720. Its totient is φ = 182235456.

The previous prime is 557223763. The next prime is 557223769. The reversal of 557223768 is 867322755.

557223768 is a `hidden beast` number, since 5 + 572 + 2 + 3 + 76 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557223763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69196 + ... + 76827.

It is an arithmetic number, because the mean of its divisors is an integer number (32034015).

Almost surely, 2^557223768 is an apocalyptic number.

It is an amenable number.

557223768 is an abundant number, since it is smaller than the sum of its proper divisors (980408952).

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

557223768 is a wasteful number, since it uses less digits than its factorization.

557223768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146088 (or 146081 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 557223768 is about 23605.5876436068. The cubic root of 557223768 is about 822.8927023530.

The spelling of 557223768 in words is "five hundred fifty-seven million, two hundred twenty-three thousand, seven hundred sixty-eight".