557668432 has 20 divisors (see below), whose sum is σ = 1081404000. Its totient is φ = 278596448.

The previous prime is 557668427. The next prime is 557668439. The reversal of 557668432 is 234866755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557668439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319 + ... + 33817.

It is an arithmetic number, because the mean of its divisors is an integer number (54070200).

Almost surely, 2^557668432 is an apocalyptic number.

It is an amenable number.

557668432 is a deficient number, since it is larger than the sum of its proper divisors (523735568).

557668432 is a wasteful number, since it uses less digits than its factorization.

557668432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29730 (or 29724 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The square root of 557668432 is about 23615.0043828071. The cubic root of 557668432 is about 823.1115333341. Note that the first 3 decimals are identical.

The spelling of 557668432 in words is "five hundred fifty-seven million, six hundred sixty-eight thousand, four hundred thirty-two".