557643383 has 12 divisors (see below), whose sum is σ = 620716320. Its totient is φ = 500522880.

The previous prime is 557643379. The next prime is 557643421. The reversal of 557643383 is 383346755.

It is not a de Polignac number, because 557643383 - 2² = 557643379 is a prime.

It is a super-2 number, since 2×557643383² = 621932285207369378, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 19610 + ... + 38727.

It is an arithmetic number, because the mean of its divisors is an integer number (51726360).

Almost surely, 2^557643383 is an apocalyptic number.

557643383 is a deficient number, since it is larger than the sum of its proper divisors (63072937).

557643383 is a wasteful number, since it uses less digits than its factorization.

557643383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58438 (or 58427 counting only the distinct ones).

The product of its digits is 907200, while the sum is 44.

The square root of 557643383 is about 23614.4740148918. The cubic root of 557643383 is about 823.0992091475.

The spelling of 557643383 in words is "five hundred fifty-seven million, six hundred forty-three thousand, three hundred eighty-three".