56570423520271 has 4 divisors (see below), whose sum is σ = 57130526723544. Its totient is φ = 56010320317000.

The previous prime is 56570423520203. The next prime is 56570423520307. The reversal of 56570423520271 is 17202532407565.

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 56570423520271 - 2¹³ = 56570423512079 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 (56570423520971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280051601485 + ... + 280051601686.

It is an arithmetic number, because the mean of its divisors is an integer number (14282631680886).

Almost surely, 2^{56570423520271} is an apocalyptic number.

56570423520271 is a deficient number, since it is larger than the sum of its proper divisors (560103203273).

56570423520271 is a wasteful number, since it uses less digits than its factorization.

56570423520271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560103203272.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 56570423520271 in words is "fifty-six trillion, five hundred seventy billion, four hundred twenty-three million, five hundred twenty thousand, two hundred seventy-one".