56386547964 has 18 divisors (see below), whose sum is σ = 142532663000. Its totient is φ = 18795515976.

The previous prime is 56386547963. The next prime is 56386547983. The reversal of 56386547964 is 46974568365.

56386547964 is a `hidden beast` number, since 5 + 6 + 3 + 86 + 547 + 9 + 6 + 4 = 666.

56386547964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56386547963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 783146464 + ... + 783146535.

Almost surely, 2^56386547964 is an apocalyptic number.

It is an amenable number.

56386547964 is an abundant number, since it is smaller than the sum of its proper divisors (86146115036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56386547964 is a wasteful number, since it uses less digits than its factorization.

56386547964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566293009 (or 1566293004 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 56386547964 in words is "fifty-six billion, three hundred eighty-six million, five hundred forty-seven thousand, nine hundred sixty-four".