56055165171 has 4 divisors (see below), whose sum is σ = 74740220232. Its totient is φ = 37370110112.

The previous prime is 56055165157. The next prime is 56055165209. The reversal of 56055165171 is 17156155065.

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 56055165171 - 2⁶ = 56055165107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56055165121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9342527526 + ... + 9342527531.

It is an arithmetic number, because the mean of its divisors is an integer number (18685055058).

Almost surely, 2^56055165171 is an apocalyptic number.

56055165171 is a deficient number, since it is larger than the sum of its proper divisors (18685055061).

56055165171 is a wasteful number, since it uses less digits than its factorization.

56055165171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18685055060.

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

The spelling of 56055165171 in words is "fifty-six billion, fifty-five million, one hundred sixty-five thousand, one hundred seventy-one".