55424323240000 has 1120 divisors, whose sum is σ = 170606718374400. Its totient is φ = 17577799680000.

The previous prime is 55424323239949. The next prime is 55424323240001. The reversal of 55424323240000 is 4232342455.

It is a super-2 number, since 2×55424323240000² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55424323240001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7796356446 + ... + 7796363554.

It is an arithmetic number, because the mean of its divisors is an integer number (152327427120).

Almost surely, 2^{55424323240000} is an apocalyptic number.

55424323240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55424323240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85303359187200).

55424323240000 is an abundant number, since it is smaller than the sum of its proper divisors (115182395134400).

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

55424323240000 is a wasteful number, since it uses less digits than its factorization.

55424323240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241 (or 7216 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 55424323240000 its reverse (4232342455), we get a palindrome (55428555582455).

The spelling of 55424323240000 in words is "fifty-five trillion, four hundred twenty-four billion, three hundred twenty-three million, two hundred forty thousand".