557281604 has 48 divisors (see below), whose sum is σ = 1086138816. Its totient is φ = 248054400.

The previous prime is 557281601. The next prime is 557281631. The reversal of 557281604 is 406182755.

It is not an unprimeable number, because it can be changed into a prime (557281601) 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 15 ways as a sum of consecutive naturals, for example, 1065287 + ... + 1065809.

It is an arithmetic number, because the mean of its divisors is an integer number (22627892).

Almost surely, 2^557281604 is an apocalyptic number.

It is an amenable number.

557281604 is a deficient number, since it is larger than the sum of its proper divisors (528857212).

557281604 is a wasteful number, since it uses less digits than its factorization.

557281604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 557281604 is about 23606.8126607554. The cubic root of 557281604 is about 822.9211715716.

The spelling of 557281604 in words is "five hundred fifty-seven million, two hundred eighty-one thousand, six hundred four".