56540134064 has 20 divisors (see below), whose sum is σ = 109551817104. Its totient is φ = 28268697408.

The previous prime is 56540134061. The next prime is 56540134073. The reversal of 56540134064 is 46043104565.

56540134064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56540134061) 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, 310514 + ... + 457710.

Almost surely, 2^56540134064 is an apocalyptic number.

It is an amenable number.

56540134064 is a deficient number, since it is larger than the sum of its proper divisors (53011683040).

56540134064 is a wasteful number, since it uses less digits than its factorization.

56540134064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171212 (or 171206 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 56540134064 in words is "fifty-six billion, five hundred forty million, one hundred thirty-four thousand, sixty-four".