557266843 has 12 divisors (see below), whose sum is σ = 643585872. Its totient is φ = 472677120.

The previous prime is 557266837. The next prime is 557266877. The reversal of 557266843 is 348662755.

It is not a de Polignac number, because 557266843 - 2⁹ = 557266331 is a prime.

It is the 23607-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557266793 and 557266802.

It is not an unprimeable number, because it can be changed into a prime (557266883) by changing a digit.

It is a nontrivial repunit in base 23606.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61633 + ... + 70093.

It is an arithmetic number, because the mean of its divisors is an integer number (53632156).

Almost surely, 2^557266843 is an apocalyptic number.

557266843 is a deficient number, since it is larger than the sum of its proper divisors (86319029).

557266843 is an frugal number, since it uses more digits than its factorization.

557266843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662 (or 8565 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The square root of 557266843 is about 23606.5000158855. The cubic root of 557266843 is about 822.9139057976.

The spelling of 557266843 in words is "five hundred fifty-seven million, two hundred sixty-six thousand, eight hundred forty-three".