557509161 has 8 divisors (see below), whose sum is σ = 810922464. Its totient is φ = 337884320.

The previous prime is 557509157. The next prime is 557509163. The reversal of 557509161 is 161905755.

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

It is a cyclic number.

It is not a de Polignac number, because 557509161 - 2² = 557509157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557509163) 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, 8447076 + ... + 8447141.

It is an arithmetic number, because the mean of its divisors is an integer number (101365308).

Almost surely, 2^557509161 is an apocalyptic number.

It is an amenable number.

557509161 is a deficient number, since it is larger than the sum of its proper divisors (253413303).

557509161 is a wasteful number, since it uses less digits than its factorization.

557509161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16894231.

The product of its (nonzero) digits is 47250, while the sum is 39.

The square root of 557509161 is about 23611.6319004003. The cubic root of 557509161 is about 823.0331652143.

The spelling of 557509161 in words is "five hundred fifty-seven million, five hundred nine thousand, one hundred sixty-one".