55506101111 has 8 divisors (see below), whose sum is σ = 55589491200. Its totient is φ = 55422762840.

The previous prime is 55506101099. The next prime is 55506101143. The reversal of 55506101111 is 11110160555.

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 55506101111 - 2⁶ = 55506101047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55506101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480270 + ... + 2502548.

It is an arithmetic number, because the mean of its divisors is an integer number (6948686400).

Almost surely, 2^55506101111 is an apocalyptic number.

55506101111 is a deficient number, since it is larger than the sum of its proper divisors (83390089).

55506101111 is a wasteful number, since it uses less digits than its factorization.

55506101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25909.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 55506101111 its reverse (11110160555), we get a palindrome (66616261666).

The spelling of 55506101111 in words is "fifty-five billion, five hundred six million, one hundred one thousand, one hundred eleven".