557747344 has 80 divisors (see below), whose sum is σ = 1360198656. Its totient is φ = 215222400.

The previous prime is 557747269. The next prime is 557747363. The reversal of 557747344 is 443747755.

It is a super-2 number, since 2×557747344² = 622164199478108672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557747294 and 557747303.

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, 129709 + ... + 133939.

Almost surely, 2^557747344 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 557747344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680099328).

557747344 is an abundant number, since it is smaller than the sum of its proper divisors (802451312).

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

557747344 is a wasteful number, since it uses less digits than its factorization.

557747344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364 (or 4358 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 46.

The square root of 557747344 is about 23616.6751258512. The cubic root of 557747344 is about 823.1503558734.

The spelling of 557747344 in words is "five hundred fifty-seven million, seven hundred forty-seven thousand, three hundred forty-four".