555865457971 has 4 divisors (see below), whose sum is σ = 556437925944. Its totient is φ = 555292990000.

The previous prime is 555865457933. The next prime is 555865458007. The reversal of 555865457971 is 179754568555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 555865457971 - 2²⁷ = 555731240243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555865457897 and 555865457906.

It is not an unprimeable number, because it can be changed into a prime (555865452971) 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 3 ways as a sum of consecutive naturals, for example, 286232530 + ... + 286234471.

It is an arithmetic number, because the mean of its divisors is an integer number (139109481486).

Almost surely, 2^555865457971 is an apocalyptic number.

555865457971 is a deficient number, since it is larger than the sum of its proper divisors (572467973).

555865457971 is an equidigital number, since it uses as much as digits as its factorization.

555865457971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572467972.

The product of its digits is 264600000, while the sum is 67.

The spelling of 555865457971 in words is "five hundred fifty-five billion, eight hundred sixty-five million, four hundred fifty-seven thousand, nine hundred seventy-one".