5656551171 has 8 divisors (see below), whose sum is σ = 7601455104. Its totient is φ = 3741340680.

The previous prime is 5656551163. The next prime is 5656551209. The reversal of 5656551171 is 1711556565.

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

It is not a de Polignac number, because 5656551171 - 2³ = 5656551163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5656551871) 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 7 ways as a sum of consecutive naturals, for example, 7422915 + ... + 7423676.

It is an arithmetic number, because the mean of its divisors is an integer number (950181888).

Almost surely, 2^5656551171 is an apocalyptic number.

5656551171 is a deficient number, since it is larger than the sum of its proper divisors (1944903933).

5656551171 is a wasteful number, since it uses less digits than its factorization.

5656551171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14846721.

The product of its digits is 157500, while the sum is 42.

The square root of 5656551171 is about 75210.0470083619. The cubic root of 5656551171 is about 1781.7656144647.

The spelling of 5656551171 in words is "five billion, six hundred fifty-six million, five hundred fifty-one thousand, one hundred seventy-one".