55505555500611 has 32 divisors (see below), whose sum is σ = 77083281469440. Its totient is φ = 35503312083200.

The previous prime is 55505555500561. The next prime is 55505555500613. The reversal of 55505555500611 is 11600555550555.

It is a cyclic number.

It is not a de Polignac number, because 55505555500611 - 2⁶ = 55505555500547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55505555500613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13697250 + ... + 17280791.

It is an arithmetic number, because the mean of its divisors is an integer number (2408852545920).

Almost surely, 2^{55505555500611} is an apocalyptic number.

55505555500611 is a deficient number, since it is larger than the sum of its proper divisors (21577725968829).

55505555500611 is a wasteful number, since it uses less digits than its factorization.

55505555500611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30978347.

The product of its (nonzero) digits is 2343750, while the sum is 48.

The spelling of 55505555500611 in words is "fifty-five trillion, five hundred five billion, five hundred fifty-five million, five hundred thousand, six hundred eleven".