56840163271 has 4 divisors (see below), whose sum is σ = 56988571392. Its totient is φ = 56691755152.

The previous prime is 56840163257. The next prime is 56840163277. The reversal of 56840163271 is 17236104865.

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 56840163271 - 2⁹ = 56840162759 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 (56840163277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74203486 + ... + 74204251.

It is an arithmetic number, because the mean of its divisors is an integer number (14247142848).

Almost surely, 2^56840163271 is an apocalyptic number.

56840163271 is a deficient number, since it is larger than the sum of its proper divisors (148408121).

56840163271 is a wasteful number, since it uses less digits than its factorization.

56840163271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148408120.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 56840163271 in words is "fifty-six billion, eight hundred forty million, one hundred sixty-three thousand, two hundred seventy-one".