56556554107 has 2 divisors, whose sum is σ = 56556554108. Its totient is φ = 56556554106.

The previous prime is 56556554081. The next prime is 56556554149. The reversal of 56556554107 is 70145565565.

It is a happy number.

56556554107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56556554107 - 2¹⁵ = 56556521339 is a prime.

It is not a weakly prime, because it can be changed into another prime (56556554207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28278277053 + 28278277054.

It is an arithmetic number, because the mean of its divisors is an integer number (28278277054).

Almost surely, 2^56556554107 is an apocalyptic number.

56556554107 is a deficient number, since it is larger than the sum of its proper divisors (1).

56556554107 is an equidigital number, since it uses as much as digits as its factorization.

56556554107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150000, while the sum is 49.

The spelling of 56556554107 in words is "fifty-six billion, five hundred fifty-six million, five hundred fifty-four thousand, one hundred seven".