55506600011 has 16 divisors (see below), whose sum is σ = 56687366400. Its totient is φ = 54339955488.

The previous prime is 55506600001. The next prime is 55506600031. The reversal of 55506600011 is 11000660555.

It is a cyclic number.

It is not a de Polignac number, because 55506600011 - 2²⁶ = 55439491147 is a prime.

It is a super-2 number, since 2×55506600011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55506600001) 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, 4933130 + ... + 4944368.

It is an arithmetic number, because the mean of its divisors is an integer number (3542960400).

Almost surely, 2^55506600011 is an apocalyptic number.

55506600011 is a deficient number, since it is larger than the sum of its proper divisors (1180766389).

55506600011 is a wasteful number, since it uses less digits than its factorization.

55506600011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 55506600011 in words is "fifty-five billion, five hundred six million, six hundred thousand, eleven".