56555005063 has 4 divisors (see below), whose sum is σ = 56641613688. Its totient is φ = 56468396440.

The previous prime is 56555005061. The next prime is 56555005099. The reversal of 56555005063 is 36050055565.

56555005063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56555005063 - 2¹ = 56555005061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56555005061) 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, 43303333 + ... + 43304638.

It is an arithmetic number, because the mean of its divisors is an integer number (14160403422).

Almost surely, 2^56555005063 is an apocalyptic number.

56555005063 is a deficient number, since it is larger than the sum of its proper divisors (86608625).

56555005063 is an equidigital number, since it uses as much as digits as its factorization.

56555005063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86608624.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 56555005063 in words is "fifty-six billion, five hundred fifty-five million, five thousand, sixty-three".