557343851 has 2 divisors, whose sum is σ = 557343852. Its totient is φ = 557343850.

The previous prime is 557343833. The next prime is 557343883. The reversal of 557343851 is 158343755.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557343851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557343799 and 557343808.

It is not a weakly prime, because it can be changed into another prime (557345851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278671925 + 278671926.

It is an arithmetic number, because the mean of its divisors is an integer number (278671926).

Almost surely, 2^557343851 is an apocalyptic number.

557343851 is a deficient number, since it is larger than the sum of its proper divisors (1).

557343851 is an equidigital number, since it uses as much as digits as its factorization.

557343851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The square root of 557343851 is about 23608.1310357258. The cubic root of 557343851 is about 822.9518098622.

The spelling of 557343851 in words is "five hundred fifty-seven million, three hundred forty-three thousand, eight hundred fifty-one".