56756724313 has 4 divisors (see below), whose sum is σ = 57964314240. Its totient is φ = 55549134388.

The previous prime is 56756724289. The next prime is 56756724317. The reversal of 56756724313 is 31342765765.

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.

It is a cyclic number.

It is not a de Polignac number, because 56756724313 - 2⁹ = 56756723801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56756724317) 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, 603794893 + ... + 603794986.

It is an arithmetic number, because the mean of its divisors is an integer number (14491078560).

Almost surely, 2^56756724313 is an apocalyptic number.

It is an amenable number.

56756724313 is a deficient number, since it is larger than the sum of its proper divisors (1207589927).

56756724313 is a wasteful number, since it uses less digits than its factorization.

56756724313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207589926.

The product of its digits is 3175200, while the sum is 49.

The spelling of 56756724313 in words is "fifty-six billion, seven hundred fifty-six million, seven hundred twenty-four thousand, three hundred thirteen".