557399 has 4 divisors (see below), whose sum is σ = 560400. Its totient is φ = 554400.

The previous prime is 557377. The next prime is 557423. The reversal of 557399 is 993755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557399 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 (557309) 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, 1202 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (140100).

2⁵⁵⁷³⁹⁹ is an apocalyptic number.

557399 is a deficient number, since it is larger than the sum of its proper divisors (3001).

557399 is a wasteful number, since it uses less digits than its factorization.

557399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its digits is 42525, while the sum is 38.

The square root of 557399 is about 746.5915884873. The cubic root of 557399 is about 82.2978952575.

The spelling of 557399 in words is "five hundred fifty-seven thousand, three hundred ninety-nine".