55245843744 has 384 divisors, whose sum is σ = 186119442432. Its totient is φ = 13959475200.

The previous prime is 55245843743. The next prime is 55245843749. The reversal of 55245843744 is 44734854255.

Its product of digits (10752000) is a multiple of the sum of its prime factors (2688).

It is not an unprimeable number, because it can be changed into a prime (55245843743) 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 63 ways as a sum of consecutive naturals, for example, 21655269 + ... + 21657819.

It is an arithmetic number, because the mean of its divisors is an integer number (484686048).

Almost surely, 2^55245843744 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 55245843744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93059721216).

55245843744 is an abundant number, since it is smaller than the sum of its proper divisors (130873598688).

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

55245843744 is a wasteful number, since it uses less digits than its factorization.

55245843744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2680 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 51.

The spelling of 55245843744 in words is "fifty-five billion, two hundred forty-five million, eight hundred forty-three thousand, seven hundred forty-four".