55535727744 has 192 divisors, whose sum is σ = 182910349440. Its totient is φ = 15843852288.

The previous prime is 55535727733. The next prime is 55535727781. The reversal of 55535727744 is 44772753555.

It is a tau number, because it is divible by the number of its divisors (192).

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, 5857792 + ... + 5867264.

It is an arithmetic number, because the mean of its divisors is an integer number (952658070).

Almost surely, 2^55535727744 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 55535727744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91455174720).

55535727744 is an abundant number, since it is smaller than the sum of its proper divisors (127374621696).

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

55535727744 is a wasteful number, since it uses less digits than its factorization.

55535727744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227 (or 10212 counting only the distinct ones).

The product of its digits is 20580000, while the sum is 54.

The spelling of 55535727744 in words is "fifty-five billion, five hundred thirty-five million, seven hundred twenty-seven thousand, seven hundred forty-four".