557643341 has 4 divisors (see below), whose sum is σ = 557915712. Its totient is φ = 557370972.

The previous prime is 557643319. The next prime is 557643343. The reversal of 557643341 is 143346755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 143346755 = 5 ⋅28669351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557643341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557643295 and 557643304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557643343) 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, 133091 + ... + 137216.

It is an arithmetic number, because the mean of its divisors is an integer number (139478928).

Almost surely, 2^557643341 is an apocalyptic number.

It is an amenable number.

557643341 is a deficient number, since it is larger than the sum of its proper divisors (272371).

557643341 is a wasteful number, since it uses less digits than its factorization.

557643341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272370.

The product of its digits is 151200, while the sum is 38.

The square root of 557643341 is about 23614.4731256067. The cubic root of 557643341 is about 823.0991884831.

The spelling of 557643341 in words is "five hundred fifty-seven million, six hundred forty-three thousand, three hundred forty-one".