56500011547 has 32 divisors (see below), whose sum is σ = 68700828672. Its totient is φ = 45359668224.

The previous prime is 56500011521. The next prime is 56500011611. The reversal of 56500011547 is 74511000565.

56500011547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56500011547 is a prime.

It is a super-2 number, since 2×56500011547² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56500011647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39592848 + ... + 39594274.

It is an arithmetic number, because the mean of its divisors is an integer number (2146900896).

Almost surely, 2^56500011547 is an apocalyptic number.

56500011547 is a deficient number, since it is larger than the sum of its proper divisors (12200817125).

56500011547 is a wasteful number, since it uses less digits than its factorization.

56500011547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 56500011547 in words is "fifty-six billion, five hundred million, eleven thousand, five hundred forty-seven".