557204385 has 16 divisors (see below), whose sum is σ = 920286720. Its totient is φ = 287589120.

The previous prime is 557204341. The next prime is 557204429. The reversal of 557204385 is 583402755.

It is an interprime number because it is at equal distance from previous prime (557204341) and next prime (557204429).

It is not a de Polignac number, because 557204385 - 2⁶ = 557204321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598680 + ... + 599609.

It is an arithmetic number, because the mean of its divisors is an integer number (57517920).

Almost surely, 2^557204385 is an apocalyptic number.

It is an amenable number.

557204385 is a deficient number, since it is larger than the sum of its proper divisors (363082335).

557204385 is a wasteful number, since it uses less digits than its factorization.

557204385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198328.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 557204385 is about 23605.1770804627. The cubic root of 557204385 is about 822.8831608156.

The spelling of 557204385 in words is "five hundred fifty-seven million, two hundred four thousand, three hundred eighty-five".