557533043 has 2 divisors, whose sum is σ = 557533044. Its totient is φ = 557533042.

The previous prime is 557533021. The next prime is 557533051. The reversal of 557533043 is 340335755.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557533043 - 2¹⁶ = 557467507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557532994 and 557533012.

It is not a weakly prime, because it can be changed into another prime (557533243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278766521 + 278766522.

It is an arithmetic number, because the mean of its divisors is an integer number (278766522).

Almost surely, 2^557533043 is an apocalyptic number.

557533043 is a deficient number, since it is larger than the sum of its proper divisors (1).

557533043 is an equidigital number, since it uses as much as digits as its factorization.

557533043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 35.

The square root of 557533043 is about 23612.1376203003. The cubic root of 557533043 is about 823.0449171272.

Adding to 557533043 its reverse (340335755), we get a palindrome (897868798).

The spelling of 557533043 in words is "five hundred fifty-seven million, five hundred thirty-three thousand, forty-three".