557643344 has 20 divisors (see below), whose sum is σ = 1103423424. Its totient is φ = 272888928.

The previous prime is 557643343. The next prime is 557643347. The reversal of 557643344 is 443346755.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557643343) 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, 370022 + ... + 371525.

Almost surely, 2^557643344 is an apocalyptic number.

It is an amenable number.

557643344 is a deficient number, since it is larger than the sum of its proper divisors (545780080).

557643344 is a wasteful number, since it uses less digits than its factorization.

557643344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741602 (or 741596 counting only the distinct ones).

The product of its digits is 604800, while the sum is 41.

The square root of 557643344 is about 23614.4731891270. The cubic root of 557643344 is about 823.0991899591.

The spelling of 557643344 in words is "five hundred fifty-seven million, six hundred forty-three thousand, three hundred forty-four".