557142163 has 4 divisors (see below), whose sum is σ = 561150520. Its totient is φ = 553133808.

The previous prime is 557142161. The next prime is 557142167. The reversal of 557142163 is 361241755.

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 557142163 - 2¹ = 557142161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557142161) 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, 2003970 + ... + 2004247.

It is an arithmetic number, because the mean of its divisors is an integer number (140287630).

Almost surely, 2^557142163 is an apocalyptic number.

557142163 is a deficient number, since it is larger than the sum of its proper divisors (4008357).

557142163 is a wasteful number, since it uses less digits than its factorization.

557142163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008356.

The product of its digits is 25200, while the sum is 34.

The square root of 557142163 is about 23603.8590700758. The cubic root of 557142163 is about 822.8525297203.

The spelling of 557142163 in words is "five hundred fifty-seven million, one hundred forty-two thousand, one hundred sixty-three".