55580546273280 has 1664 divisors, whose sum is σ = 220224405504000. Its totient is φ = 11929794379776.

The previous prime is 55580546273183. The next prime is 55580546273387. The reversal of 55580546273280 is 8237264508555.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 127 ways as a sum of consecutive naturals, for example, 50851368414 + ... + 50851369506.

Almost surely, 2^{55580546273280} 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 55580546273280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110112202752000).

55580546273280 is an abundant number, since it is smaller than the sum of its proper divisors (164643859230720).

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

55580546273280 is a wasteful number, since it uses less digits than its factorization.

55580546273280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 80640000, while the sum is 60.

The spelling of 55580546273280 in words is "fifty-five trillion, five hundred eighty billion, five hundred forty-six million, two hundred seventy-three thousand, two hundred eighty".