55105005611 has 8 divisors (see below), whose sum is σ = 56153751120. Its totient is φ = 54056594592.

The previous prime is 55105005601. The next prime is 55105005619. The reversal of 55105005611 is 11650050155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55105005611 - 2¹⁰ = 55105004587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55105005619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262496 + ... + 423218.

It is an arithmetic number, because the mean of its divisors is an integer number (7019218890).

Almost surely, 2^55105005611 is an apocalyptic number.

55105005611 is a deficient number, since it is larger than the sum of its proper divisors (1048745509).

55105005611 is a wasteful number, since it uses less digits than its factorization.

55105005611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167245.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 55105005611 its reverse (11650050155), we get a palindrome (66755055766).

The spelling of 55105005611 in words is "fifty-five billion, one hundred five million, five thousand, six hundred eleven".