55256234818236 has 48 divisors (see below), whose sum is σ = 129235479948288. Its totient is φ = 18375281848000.

The previous prime is 55256234818219. The next prime is 55256234818241. The reversal of 55256234818236 is 63281843265255.

It is a self number, because there is not a number n which added to its sum of digits gives 55256234818236.

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, 139192366 + ... + 139588778.

It is an arithmetic number, because the mean of its divisors is an integer number (2692405832256).

Almost surely, 2^{55256234818236} is an apocalyptic number.

It is an amenable number.

55256234818236 is an abundant number, since it is smaller than the sum of its proper divisors (73979245130052).

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

55256234818236 is a wasteful number, since it uses less digits than its factorization.

55256234818236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423802 (or 423800 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 60.

The spelling of 55256234818236 in words is "fifty-five trillion, two hundred fifty-six billion, two hundred thirty-four million, eight hundred eighteen thousand, two hundred thirty-six".