55165611 has 16 divisors (see below), whose sum is σ = 74592000. Its totient is φ = 36262368.

The previous prime is 55165601. The next prime is 55165613. The reversal of 55165611 is 11656155.

55165611 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 55165611 - 2⁶ = 55165547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55165613) 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 15 ways as a sum of consecutive naturals, for example, 74280 + ... + 75018.

It is an arithmetic number, because the mean of its divisors is an integer number (4662000).

Almost surely, 2^55165611 is an apocalyptic number.

55165611 is a deficient number, since it is larger than the sum of its proper divisors (19426389).

55165611 is a wasteful number, since it uses less digits than its factorization.

55165611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its digits is 4500, while the sum is 30.

The square root of 55165611 is about 7427.3555859404. The cubic root of 55165611 is about 380.6765670897.

The spelling of 55165611 in words is "fifty-five million, one hundred sixty-five thousand, six hundred eleven".