56055855064 has 16 divisors (see below), whose sum is σ = 114659703720. Its totient is φ = 25479934080.

The previous prime is 56055855043. The next prime is 56055855067. The reversal of 56055855064 is 46055855065.

56055855064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56055854999 and 56055855017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055855067) 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, 318499089 + ... + 318499264.

Almost surely, 2^56055855064 is an apocalyptic number.

It is an amenable number.

56055855064 is an abundant number, since it is smaller than the sum of its proper divisors (58603848656).

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

56055855064 is a wasteful number, since it uses less digits than its factorization.

56055855064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636998370 (or 636998366 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 49.

Subtracting from 56055855064 its reverse (46055855065), we obtain a palindrome (9999999999).

It can be divided in two parts, 56055 and 855064, that added together give a palindrome (911119).

The spelling of 56055855064 in words is "fifty-six billion, fifty-five million, eight hundred fifty-five thousand, sixty-four".