55436360230144 has 72 divisors (see below), whose sum is σ = 112003633320488. Its totient is φ = 27381712158720.

The previous prime is 55436360230061. The next prime is 55436360230253. The reversal of 55436360230144 is 44103206363455.

It can be written as a sum of positive squares in 4 ways, for example, as 17553418502400 + 37882941727744 = 4189680^2 + 6154912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55436360230094 and 55436360230103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11370844 + ... + 15497380.

Almost surely, 2^{55436360230144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55436360230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56001816660244).

55436360230144 is an abundant number, since it is smaller than the sum of its proper divisors (56567273090344).

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

55436360230144 is an equidigital number, since it uses as much as digits as its factorization.

55436360230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127191 (or 4127177 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

Adding to 55436360230144 its reverse (44103206363455), we get a palindrome (99539566593599).

The spelling of 55436360230144 in words is "fifty-five trillion, four hundred thirty-six billion, three hundred sixty million, two hundred thirty thousand, one hundred forty-four".