55061111 has 24 divisors (see below), whose sum is σ = 66892800. Its totient is φ = 44374176.

The previous prime is 55061099. The next prime is 55061119. The reversal of 55061111 is 11116055.

55061111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55061111 - 2⁶ = 55061047 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 (55061119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276590 + ... + 276788.

It is an arithmetic number, because the mean of its divisors is an integer number (2787200).

Almost surely, 2^55061111 is an apocalyptic number.

55061111 is a deficient number, since it is larger than the sum of its proper divisors (11831689).

55061111 is a wasteful number, since it uses less digits than its factorization.

55061111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 55061111 is about 7420.3174460396. The cubic root of 55061111 is about 380.4360437769.

Adding to 55061111 its reverse (11116055), we get a palindrome (66177166).

The spelling of 55061111 in words is "fifty-five million, sixty-one thousand, one hundred eleven".