55141979284128 has 192 divisors, whose sum is σ = 159484237645824. Its totient is φ = 16542833280000.

The previous prime is 55141979284033. The next prime is 55141979284229. The reversal of 55141979284128 is 82148297914155.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399218278 + ... + 399356378.

It is an arithmetic number, because the mean of its divisors is an integer number (830647071072).

Almost surely, 2^{55141979284128} 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 55141979284128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79742118822912).

55141979284128 is an abundant number, since it is smaller than the sum of its proper divisors (104342258361696).

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

55141979284128 is a wasteful number, since it uses less digits than its factorization.

55141979284128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141899 (or 141891 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 66.

The spelling of 55141979284128 in words is "fifty-five trillion, one hundred forty-one billion, nine hundred seventy-nine million, two hundred eighty-four thousand, one hundred twenty-eight".