557160241 has 16 divisors (see below), whose sum is σ = 629070336. Its totient is φ = 488880000.

The previous prime is 557160239. The next prime is 557160251. The reversal of 557160241 is 142061755.

It is a 4-Lehmer number, since φ(557160241) divides (557160241-1)⁴.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 557160241 - 2¹ = 557160239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a deceptive number, since it divides R_557160240.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557160251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141621 + ... + 145501.

It is an arithmetic number, because the mean of its divisors is an integer number (39316896).

It is a Poulet number, since it divides 2^557160240-1.

Almost surely, 2^557160241 is an apocalyptic number.

It is an amenable number.

557160241 is a deficient number, since it is larger than the sum of its proper divisors (71910095).

557160241 is a wasteful number, since it uses less digits than its factorization.

557160241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 557160241 is about 23604.2420128247. The cubic root of 557160241 is about 822.8614295237.

The spelling of 557160241 in words is "five hundred fifty-seven million, one hundred sixty thousand, two hundred forty-one".