557894399 has 4 divisors (see below), whose sum is σ = 572972664. Its totient is φ = 542816136.

The previous prime is 557894387. The next prime is 557894413. The reversal of 557894399 is 993498755.

557894399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 557894399 - 2⁸ = 557894143 is a prime.

It is a super-2 number, since 2×557894399² = 622492320871142402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557894369) 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, 7539077 + ... + 7539150.

It is an arithmetic number, because the mean of its divisors is an integer number (143243166).

Almost surely, 2^557894399 is an apocalyptic number.

557894399 is a deficient number, since it is larger than the sum of its proper divisors (15078265).

557894399 is a wasteful number, since it uses less digits than its factorization.

557894399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078264.

The product of its digits is 12247200, while the sum is 59.

The square root of 557894399 is about 23619.7882928700. The cubic root of 557894399 is about 823.2226931303. Note that the first 3 decimals are identical.

The spelling of 557894399 in words is "five hundred fifty-seven million, eight hundred ninety-four thousand, three hundred ninety-nine".