55726873223 has 12 divisors (see below), whose sum is σ = 65291514120. Its totient is φ = 47422246032.

The previous prime is 55726873217. The next prime is 55726873247. The reversal of 55726873223 is 32237862755.

It is not a de Polignac number, because 55726873223 - 2²⁰ = 55725824647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55726873283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4084136 + ... + 4097757.

It is an arithmetic number, because the mean of its divisors is an integer number (5440959510).

Almost surely, 2^55726873223 is an apocalyptic number.

55726873223 is a deficient number, since it is larger than the sum of its proper divisors (9564640897).

55726873223 is a wasteful number, since it uses less digits than its factorization.

55726873223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182046 (or 8182039 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 55726873223 in words is "fifty-five billion, seven hundred twenty-six million, eight hundred seventy-three thousand, two hundred twenty-three".