557383 has 4 divisors (see below), whose sum is σ = 559000. Its totient is φ = 555768.

The previous prime is 557377. The next prime is 557423. The reversal of 557383 is 383755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557383 - 2¹⁷ = 426311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (139750).

2⁵⁵⁷³⁸³ is an apocalyptic number.

557383 is a deficient number, since it is larger than the sum of its proper divisors (1617).

557383 is a wasteful number, since it uses less digits than its factorization.

557383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its digits is 12600, while the sum is 31.

The square root of 557383 is about 746.5808730473. The cubic root of 557383 is about 82.2971078031.

The spelling of 557383 in words is "five hundred fifty-seven thousand, three hundred eighty-three".