55508225636160 has 672 divisors, whose sum is σ = 209210117276160. Its totient is φ = 13396716748800.

The previous prime is 55508225636147. The next prime is 55508225636177. The reversal of 55508225636160 is 6163652280555.

55508225636160 is a `hidden beast` number, since 5 + 5 + 50 + 8 + 22 + 563 + 6 + 1 + 6 + 0 = 666.

It is a super-2 number, since 2×55508225636160² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55508225636097 and 55508225636106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6761870136 + ... + 6761878344.

It is an arithmetic number, because the mean of its divisors is an integer number (311324579280).

Almost surely, 2^{55508225636160} 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 55508225636160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104605058638080).

55508225636160 is an abundant number, since it is smaller than the sum of its proper divisors (153701891640000).

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

55508225636160 is a wasteful number, since it uses less digits than its factorization.

55508225636160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167 (or 9154 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 55508225636160 in words is "fifty-five trillion, five hundred eight billion, two hundred twenty-five million, six hundred thirty-six thousand, one hundred sixty".