557567643 has 16 divisors (see below), whose sum is σ = 769370112. Its totient is φ = 358800000.

The previous prime is 557567639. The next prime is 557567653. The reversal of 557567643 is 346765755.

It is not a de Polignac number, because 557567643 - 2² = 557567639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557567592 and 557567601.

It is not an unprimeable number, because it can be changed into a prime (557567653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29818 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (48085632).

Almost surely, 2^557567643 is an apocalyptic number.

557567643 is a deficient number, since it is larger than the sum of its proper divisors (211802469).

557567643 is a wasteful number, since it uses less digits than its factorization.

557567643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15386.

The product of its digits is 2646000, while the sum is 48.

The square root of 557567643 is about 23612.8702829622. The cubic root of 557567643 is about 823.0619425845.

The spelling of 557567643 in words is "five hundred fifty-seven million, five hundred sixty-seven thousand, six hundred forty-three".