56756191247 has 16 divisors (see below), whose sum is σ = 70018352640. Its totient is φ = 44928435552.

The previous prime is 56756191241. The next prime is 56756191273. The reversal of 56756191247 is 74219165765.

It is not a de Polignac number, because 56756191247 - 2⁴ = 56756191231 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 (56756191241) 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 15 ways as a sum of consecutive naturals, for example, 6073313 + ... + 6082650.

It is an arithmetic number, because the mean of its divisors is an integer number (4376147040).

Almost surely, 2^56756191247 is an apocalyptic number.

56756191247 is a deficient number, since it is larger than the sum of its proper divisors (13262161393).

56756191247 is a wasteful number, since it uses less digits than its factorization.

56756191247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156022.

The product of its digits is 3175200, while the sum is 53.

The spelling of 56756191247 in words is "fifty-six billion, seven hundred fifty-six million, one hundred ninety-one thousand, two hundred forty-seven".