55105610611 has 4 divisors (see below), whose sum is σ = 55123687000. Its totient is φ = 55087534224.

The previous prime is 55105610597. The next prime is 55105610617. The reversal of 55105610611 is 11601650155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11601650155 = 5 ⋅2320330031.

It is a cyclic number.

It is not a de Polignac number, because 55105610611 - 2¹¹ = 55105608563 is a prime.

It is a super-2 number, since 2×55105610611² (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 (55105610617) 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 3 ways as a sum of consecutive naturals, for example, 9033621 + ... + 9039718.

It is an arithmetic number, because the mean of its divisors is an integer number (13780921750).

Almost surely, 2^55105610611 is an apocalyptic number.

55105610611 is a deficient number, since it is larger than the sum of its proper divisors (18076389).

55105610611 is a wasteful number, since it uses less digits than its factorization.

55105610611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18076388.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 55105610611 in words is "fifty-five billion, one hundred five million, six hundred ten thousand, six hundred eleven".