557587056 has 80 divisors (see below), whose sum is σ = 1571010560. Its totient is φ = 169378560.

The previous prime is 557587007. The next prime is 557587073. The reversal of 557587056 is 650785755.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 557586996 and 557587014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43641 + ... + 54951.

It is an arithmetic number, because the mean of its divisors is an integer number (19637632).

Almost surely, 2^557587056 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 557587056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785505280).

557587056 is an abundant number, since it is smaller than the sum of its proper divisors (1013423504).

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

557587056 is a wasteful number, since it uses less digits than its factorization.

557587056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414 (or 11408 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 48.

The square root of 557587056 is about 23613.2813475806. The cubic root of 557587056 is about 823.0714947386.

The spelling of 557587056 in words is "five hundred fifty-seven million, five hundred eighty-seven thousand, fifty-six".