56813570573 has 4 divisors (see below), whose sum is σ = 56814047328. Its totient is φ = 56813093820.

The previous prime is 56813570557. The next prime is 56813570587. The reversal of 56813570573 is 37507531865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56813570573 - 2⁴ = 56813570557 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 (56813570873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114440 + ... + 355982.

It is an arithmetic number, because the mean of its divisors is an integer number (14203511832).

Almost surely, 2^56813570573 is an apocalyptic number.

It is an amenable number.

56813570573 is a deficient number, since it is larger than the sum of its proper divisors (476755).

56813570573 is a wasteful number, since it uses less digits than its factorization.

56813570573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476754.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 56813570573 in words is "fifty-six billion, eight hundred thirteen million, five hundred seventy thousand, five hundred seventy-three".