56055166089 has 16 divisors (see below), whose sum is σ = 81808972224. Its totient is φ = 33929985600.

The previous prime is 56055166009. The next prime is 56055166117. The reversal of 56055166089 is 98066155065.

It is a happy number.

It is not a de Polignac number, because 56055166089 - 2¹³ = 56055157897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56055166009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11778867 + ... + 11783624.

It is an arithmetic number, because the mean of its divisors is an integer number (5113060764).

Almost surely, 2^56055166089 is an apocalyptic number.

It is an amenable number.

56055166089 is a deficient number, since it is larger than the sum of its proper divisors (25753806135).

56055166089 is a wasteful number, since it uses less digits than its factorization.

56055166089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23562568.

The product of its (nonzero) digits is 1944000, while the sum is 51.

It can be divided in two parts, 560551 and 66089, that added together give a triangular number (626640 = T₁₁₁₉).

The spelling of 56055166089 in words is "fifty-six billion, fifty-five million, one hundred sixty-six thousand, eighty-nine".