56744518726 has 24 divisors (see below), whose sum is σ = 100515511440. Its totient is φ = 23534587440.

The previous prime is 56744518697. The next prime is 56744518751. The reversal of 56744518726 is 62781544765.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2095381 + ... + 2122288.

It is an arithmetic number, because the mean of its divisors is an integer number (4188146310).

Almost surely, 2^56744518726 is an apocalyptic number.

56744518726 is a deficient number, since it is larger than the sum of its proper divisors (43770992714).

56744518726 is a wasteful number, since it uses less digits than its factorization.

56744518726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217740 (or 4217709 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The spelling of 56744518726 in words is "fifty-six billion, seven hundred forty-four million, five hundred eighteen thousand, seven hundred twenty-six".