55056618111 has 16 divisors (see below), whose sum is σ = 80300579328. Its totient is φ = 33276720000.

The previous prime is 55056618091. The next prime is 55056618139. The reversal of 55056618111 is 11181665055.

It is not a de Polignac number, because 55056618111 - 2¹⁵ = 55056585343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55056618111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056618151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2260890 + ... + 2285111.

It is an arithmetic number, because the mean of its divisors is an integer number (5018786208).

Almost surely, 2^55056618111 is an apocalyptic number.

55056618111 is a deficient number, since it is larger than the sum of its proper divisors (25243961217).

55056618111 is a wasteful number, since it uses less digits than its factorization.

55056618111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546382.

The product of its (nonzero) digits is 36000, while the sum is 39.

The spelling of 55056618111 in words is "fifty-five billion, fifty-six million, six hundred eighteen thousand, one hundred eleven".