557663243 has 8 divisors (see below), whose sum is σ = 607256400. Its totient is φ = 510094368.

The previous prime is 557663209. The next prime is 557663303. The reversal of 557663243 is 342366755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557663243 - 2¹⁰ = 557662219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557663243.

It is not an unprimeable number, because it can be changed into a prime (557663143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505496 + ... + 506597.

It is an arithmetic number, because the mean of its divisors is an integer number (75907050).

Almost surely, 2^557663243 is an apocalyptic number.

557663243 is a deficient number, since it is larger than the sum of its proper divisors (49593157).

557663243 is a wasteful number, since it uses less digits than its factorization.

557663243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012141.

The product of its digits is 453600, while the sum is 41.

The square root of 557663243 is about 23614.8945159617. The cubic root of 557663243 is about 823.1089803602.

The spelling of 557663243 in words is "five hundred fifty-seven million, six hundred sixty-three thousand, two hundred forty-three".