55872227855 has 16 divisors (see below), whose sum is σ = 67558838400. Its totient is φ = 44356892928.

The previous prime is 55872227837. The next prime is 55872227869.

It is a happy number.

55872227855 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 55872227855 - 2⁶ = 55872227791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55872227855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787739 + ... + 855731.

It is an arithmetic number, because the mean of its divisors is an integer number (4222427400).

Almost surely, 2^55872227855 is an apocalyptic number.

55872227855 is a deficient number, since it is larger than the sum of its proper divisors (11686610545).

55872227855 is a wasteful number, since it uses less digits than its factorization.

55872227855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69250.

The product of its digits is 15680000, while the sum is 56.

The spelling of 55872227855 in words is "fifty-five billion, eight hundred seventy-two million, two hundred twenty-seven thousand, eight hundred fifty-five".