556107871 has 4 divisors (see below), whose sum is σ = 606663144. Its totient is φ = 505552600.

The previous prime is 556107841. The next prime is 556107907. The reversal of 556107871 is 178701655.

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 556107871 - 2⁹ = 556107359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556107821) 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 in 3 ways as a sum of consecutive naturals, for example, 25277620 + ... + 25277641.

It is an arithmetic number, because the mean of its divisors is an integer number (151665786).

Almost surely, 2^556107871 is an apocalyptic number.

556107871 is a deficient number, since it is larger than the sum of its proper divisors (50555273).

556107871 is a wasteful number, since it uses less digits than its factorization.

556107871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50555272.

The product of its (nonzero) digits is 58800, while the sum is 40.

The square root of 556107871 is about 23581.9395088699. The cubic root of 556107871 is about 822.3430266181.

The spelling of 556107871 in words is "five hundred fifty-six million, one hundred seven thousand, eight hundred seventy-one".