55505610611 has 4 divisors (see below), whose sum is σ = 60551575224. Its totient is φ = 50459646000.

The previous prime is 55505610593. The next prime is 55505610619. The reversal of 55505610611 is 11601650555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55505610611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55505610619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522982290 + ... + 2522982311.

It is an arithmetic number, because the mean of its divisors is an integer number (15137893806).

Almost surely, 2^55505610611 is an apocalyptic number.

55505610611 is a deficient number, since it is larger than the sum of its proper divisors (5045964613).

55505610611 is a wasteful number, since it uses less digits than its factorization.

55505610611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045964612.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 55505610611 in words is "fifty-five billion, five hundred five million, six hundred ten thousand, six hundred eleven".