556172283945 has 8 divisors (see below), whose sum is σ = 889875654336. Its totient is φ = 296625218096.

The previous prime is 556172283943. The next prime is 556172284007. The reversal of 556172283945 is 549382271655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556172283945 - 2¹ = 556172283943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556172283941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18539076117 + ... + 18539076146.

It is an arithmetic number, because the mean of its divisors is an integer number (111234456792).

Almost surely, 2^556172283945 is an apocalyptic number.

It is an amenable number.

556172283945 is a deficient number, since it is larger than the sum of its proper divisors (333703370391).

556172283945 is a wasteful number, since it uses less digits than its factorization.

556172283945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37078152271.

The product of its digits is 18144000, while the sum is 57.

The spelling of 556172283945 in words is "five hundred fifty-six billion, one hundred seventy-two million, two hundred eighty-three thousand, nine hundred forty-five".