53444210544 has 120 divisors (see below), whose sum is σ = 156883128480. Its totient is φ = 16951689216.

The previous prime is 53444210507. The next prime is 53444210587. The reversal of 53444210544 is 44501244435.

53444210544 is a `hidden beast` number, since 53 + 4 + 44 + 21 + 0 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53444210499 and 53444210508.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 597412 + ... + 681020.

It is an arithmetic number, because the mean of its divisors is an integer number (1307359404).

Almost surely, 2^53444210544 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 53444210544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78441564240).

53444210544 is an abundant number, since it is smaller than the sum of its proper divisors (103438917936).

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

53444210544 is a wasteful number, since it uses less digits than its factorization.

53444210544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83839 (or 83830 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 53444210544 its reverse (44501244435), we get a palindrome (97945454979).

The spelling of 53444210544 in words is "fifty-three billion, four hundred forty-four million, two hundred ten thousand, five hundred forty-four".