55858278306 has 32 divisors (see below), whose sum is σ = 113348332800. Its totient is φ = 18348370560.

The previous prime is 55858278251. The next prime is 55858278313. The reversal of 55858278306 is 60387285855.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133860 + ... + 360048.

It is an arithmetic number, because the mean of its divisors is an integer number (3542135400).

Almost surely, 2^55858278306 is an apocalyptic number.

55858278306 is an abundant number, since it is smaller than the sum of its proper divisors (57490054494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55858278306 is a wasteful number, since it uses less digits than its factorization.

55858278306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226794.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 55858278306 in words is "fifty-five billion, eight hundred fifty-eight million, two hundred seventy-eight thousand, three hundred six".