55501050009984 has 128 divisors (see below), whose sum is σ = 148864280647680. Its totient is φ = 18319712317440.

The previous prime is 55501050009901. The next prime is 55501050010001. The reversal of 55501050009984 is 48990005010555.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097028529 + ... + 1097079119.

It is an arithmetic number, because the mean of its divisors is an integer number (1163002192560).

Almost surely, 2^{55501050009984} 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 55501050009984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74432140323840).

55501050009984 is an abundant number, since it is smaller than the sum of its proper divisors (93363230637696).

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

55501050009984 is a wasteful number, since it uses less digits than its factorization.

55501050009984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78448 (or 78436 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 51.

The spelling of 55501050009984 in words is "fifty-five trillion, five hundred one billion, fifty million, nine thousand, nine hundred eighty-four".