557863841 has 4 divisors (see below), whose sum is σ = 558264000. Its totient is φ = 557463684.

The previous prime is 557863829. The next prime is 557863927. The reversal of 557863841 is 148368755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 557863841 - 2²⁶ = 490754977 is a prime.

It is a super-2 number, since 2×557863841² = 622424130190546562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557863741) 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, 197981 + ... + 200778.

It is an arithmetic number, because the mean of its divisors is an integer number (139566000).

Almost surely, 2^557863841 is an apocalyptic number.

It is an amenable number.

557863841 is a deficient number, since it is larger than the sum of its proper divisors (400159).

557863841 is a wasteful number, since it uses less digits than its factorization.

557863841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400158.

The product of its digits is 806400, while the sum is 47.

The square root of 557863841 is about 23619.1414111521. The cubic root of 557863841 is about 823.2076625090.

The spelling of 557863841 in words is "five hundred fifty-seven million, eight hundred sixty-three thousand, eight hundred forty-one".