56389731752 has 16 divisors (see below), whose sum is σ = 107464038900. Its totient is φ = 27732654720.

The previous prime is 56389731743. The next prime is 56389731779. The reversal of 56389731752 is 25713798365.

It can be written as a sum of positive squares in 2 ways, for example, as 41430974116 + 14958757636 = 203546^2 + 122306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57775877 + ... + 57776852.

Almost surely, 2^56389731752 is an apocalyptic number.

It is an amenable number.

56389731752 is a deficient number, since it is larger than the sum of its proper divisors (51074307148).

56389731752 is a wasteful number, since it uses less digits than its factorization.

56389731752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115552796 (or 115552792 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 56.

The spelling of 56389731752 in words is "fifty-six billion, three hundred eighty-nine million, seven hundred thirty-one thousand, seven hundred fifty-two".