557670243 has 16 divisors (see below), whose sum is σ = 810897920. Its totient is φ = 338835744.

The previous prime is 557670229. The next prime is 557670283. The reversal of 557670243 is 342076755.

It is not a de Polignac number, because 557670243 - 2¹³ = 557662051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557670283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87421 + ... + 93582.

It is an arithmetic number, because the mean of its divisors is an integer number (50681120).

Almost surely, 2^557670243 is an apocalyptic number.

557670243 is a deficient number, since it is larger than the sum of its proper divisors (253227677).

557670243 is a wasteful number, since it uses less digits than its factorization.

557670243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181098.

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 557670243 is about 23615.0427270416. The cubic root of 557670243 is about 823.1124243375.

The spelling of 557670243 in words is "five hundred fifty-seven million, six hundred seventy thousand, two hundred forty-three".