557241181 has 24 divisors (see below), whose sum is σ = 688154616. Its totient is φ = 448358400.

The previous prime is 557241173. The next prime is 557241187. The reversal of 557241181 is 181142755.

It can be written as a sum of positive squares in 4 ways, for example, as 3062500 + 554178681 = 1750^2 + 23541^2 .

It is not a de Polignac number, because 557241181 - 2³ = 557241173 is a prime.

It is a super-2 number, since 2×557241181² = 621035467604549522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557241187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463381 + ... + 464581.

It is an arithmetic number, because the mean of its divisors is an integer number (28673109).

Almost surely, 2^557241181 is an apocalyptic number.

It is an amenable number.

557241181 is a deficient number, since it is larger than the sum of its proper divisors (130913435).

557241181 is a wasteful number, since it uses less digits than its factorization.

557241181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1782 counting only the distinct ones).

The product of its digits is 11200, while the sum is 34.

The square root of 557241181 is about 23605.9564728905. The cubic root of 557241181 is about 822.9012739432.

The spelling of 557241181 in words is "five hundred fifty-seven million, two hundred forty-one thousand, one hundred eighty-one".