55078105 has 8 divisors (see below), whose sum is σ = 68373000. Its totient is φ = 42542976.

The previous prime is 55078099. The next prime is 55078109. The reversal of 55078105 is 50187055.

55078105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4112784 + 50965321 = 2028^2 + 7139^2 .

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 55078105 - 2⁵ = 55078073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55078109) 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 7 ways as a sum of consecutive naturals, for example, 189780 + ... + 190069.

It is an arithmetic number, because the mean of its divisors is an integer number (8546625).

Almost surely, 2^55078105 is an apocalyptic number.

It is an amenable number.

55078105 is a deficient number, since it is larger than the sum of its proper divisors (13294895).

55078105 is a wasteful number, since it uses less digits than its factorization.

55078105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379883.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55078105 is about 7421.4624569555. The cubic root of 55078105 is about 380.4751788699.

The spelling of 55078105 in words is "fifty-five million, seventy-eight thousand, one hundred five".