55168045 has 4 divisors (see below), whose sum is σ = 66201660. Its totient is φ = 44134432.

The previous prime is 55168031. The next prime is 55168049. The reversal of 55168045 is 54086155.

It is a happy number.

55168045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 24631369 = 5526^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 55168045 - 2⁵ = 55168013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55168045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55168049) 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 3 ways as a sum of consecutive naturals, for example, 5516800 + ... + 5516809.

It is an arithmetic number, because the mean of its divisors is an integer number (16550415).

Almost surely, 2^55168045 is an apocalyptic number.

It is an amenable number.

55168045 is a deficient number, since it is larger than the sum of its proper divisors (11033615).

55168045 is a wasteful number, since it uses less digits than its factorization.

55168045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033614.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 55168045 is about 7427.5194378743. The cubic root of 55168045 is about 380.6821657052.

It can be divided in two parts, 55 and 168045, that added together give a square (168100 = 410²).

The spelling of 55168045 in words is "fifty-five million, one hundred sixty-eight thousand, forty-five".