556120071 has 24 divisors (see below), whose sum is σ = 873032160. Its totient is φ = 339080256.

The previous prime is 556120057. The next prime is 556120111. The reversal of 556120071 is 170021655.

It is not a de Polignac number, because 556120071 - 2¹³ = 556111879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556120571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9051 + ... + 34556.

It is an arithmetic number, because the mean of its divisors is an integer number (36376340).

Almost surely, 2^556120071 is an apocalyptic number.

556120071 is a deficient number, since it is larger than the sum of its proper divisors (316912089).

556120071 is a wasteful number, since it uses less digits than its factorization.

556120071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43735 (or 43732 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 556120071 is about 23582.1981799831. The cubic root of 556120071 is about 822.3490401465.

The spelling of 556120071 in words is "five hundred fifty-six million, one hundred twenty thousand, seventy-one".