56055055004867 has 2 divisors, whose sum is σ = 56055055004868. Its totient is φ = 56055055004866.

The previous prime is 56055055004863. The next prime is 56055055004981. The reversal of 56055055004867 is 76840055055065.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56055055004867 - 2² = 56055055004863 is a prime.

It is not a weakly prime, because it can be changed into another prime (56055055004863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027527502433 + 28027527502434.

It is an arithmetic number, because the mean of its divisors is an integer number (28027527502434).

Almost surely, 2^{56055055004867} is an apocalyptic number.

56055055004867 is a deficient number, since it is larger than the sum of its proper divisors (1).

56055055004867 is an equidigital number, since it uses as much as digits as its factorization.

56055055004867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200000, while the sum is 56.

The spelling of 56055055004867 in words is "fifty-six trillion, fifty-five billion, fifty-five million, four thousand, eight hundred sixty-seven".