55510056111 has 8 divisors (see below), whose sum is σ = 74323088640. Its totient is φ = 36851863832.

The previous prime is 55510056109. The next prime is 55510056139. The reversal of 55510056111 is 11165001555.

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 55510056111 - 2¹ = 55510056109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510051111) 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, 38709225 + ... + 38710658.

It is an arithmetic number, because the mean of its divisors is an integer number (9290386080).

Almost surely, 2^55510056111 is an apocalyptic number.

55510056111 is a deficient number, since it is larger than the sum of its proper divisors (18813032529).

55510056111 is a wasteful number, since it uses less digits than its factorization.

55510056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77420125.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 55510056111 its reverse (11165001555), we get a palindrome (66675057666).

The spelling of 55510056111 in words is "fifty-five billion, five hundred ten million, fifty-six thousand, one hundred eleven".