55044344340 has 96 divisors (see below), whose sum is σ = 171385320960. Its totient is φ = 14666813568.

The previous prime is 55044344339. The next prime is 55044344347. The reversal of 55044344340 is 4344344055.

55044344340 is a `hidden beast` number, since 550 + 44 + 34 + 4 + 34 + 0 = 666.

It is a super-3 number, since 3×55044344340³ (a number of 33 digits) contains 333 as substring.

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 = 55044344295 and 55044344304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044344347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649669 + ... + 729491.

It is an arithmetic number, because the mean of its divisors is an integer number (1785263760).

Almost surely, 2^55044344340 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 55044344340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85692660480).

55044344340 is an abundant number, since it is smaller than the sum of its proper divisors (116340976620).

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

55044344340 is a wasteful number, since it uses less digits than its factorization.

55044344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81118 (or 81110 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 55044344340 its reverse (4344344055), we get a palindrome (59388688395).

The spelling of 55044344340 in words is "fifty-five billion, forty-four million, three hundred forty-four thousand, three hundred forty".