55571298320160 has 480 divisors, whose sum is σ = 227207974637952. Its totient is φ = 12528009400320.

The previous prime is 55571298320159. The next prime is 55571298320207. The reversal of 55571298320160 is 6102389217555.

55571298320160 is a `hidden beast` number, since 5 + 5 + 5 + 71 + 2 + 98 + 320 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 55571298320097 and 55571298320106.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2426955 + ... + 10818165.

Almost surely, 2^{55571298320160} 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 55571298320160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113603987318976).

55571298320160 is an abundant number, since it is smaller than the sum of its proper divisors (171636676317792).

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

55571298320160 is a wasteful number, since it uses less digits than its factorization.

55571298320160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391318 (or 8391301 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 55571298320160 in words is "fifty-five trillion, five hundred seventy-one billion, two hundred ninety-eight million, three hundred twenty thousand, one hundred sixty".