557285444 has 12 divisors (see below), whose sum is σ = 991779600. Its totient is φ = 273919848.

The previous prime is 557285437. The next prime is 557285459. The reversal of 557285444 is 444582755.

It is a junction number, because it is equal to n+sod(n) for n = 557285395 and 557285404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180454 + ... + 1180925.

It is an arithmetic number, because the mean of its divisors is an integer number (82648300).

Almost surely, 2^557285444 is an apocalyptic number.

It is an amenable number.

557285444 is a deficient number, since it is larger than the sum of its proper divisors (434494156).

557285444 is a wasteful number, since it uses less digits than its factorization.

557285444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361442 (or 2361440 counting only the distinct ones).

The product of its digits is 896000, while the sum is 44.

The square root of 557285444 is about 23606.8939930691. The cubic root of 557285444 is about 822.9230617052.

The spelling of 557285444 in words is "five hundred fifty-seven million, two hundred eighty-five thousand, four hundred forty-four".