55727144836 has 72 divisors (see below), whose sum is σ = 111178269720. Its totient is φ = 24393600000.

The previous prime is 55727144833. The next prime is 55727144873. The reversal of 55727144836 is 63844172755.

It can be written as a sum of positive squares in 4 ways, for example, as 41430159936 + 14296984900 = 203544^2 + 119570^2 .

It is not an unprimeable number, because it can be changed into a prime (55727144833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5623486 + ... + 5633386.

It is an arithmetic number, because the mean of its divisors is an integer number (1544142635).

Almost surely, 2^55727144836 is an apocalyptic number.

It is an amenable number.

55727144836 is a deficient number, since it is larger than the sum of its proper divisors (55451124884).

55727144836 is a wasteful number, since it uses less digits than its factorization.

55727144836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10357 (or 10344 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 55727144836 in words is "fifty-five billion, seven hundred twenty-seven million, one hundred forty-four thousand, eight hundred thirty-six".