55520654976000 has 2112 divisors, whose sum is σ = 213052179225600. Its totient is φ = 13882294272000.

The previous prime is 55520654975977. The next prime is 55520654976041. The reversal of 55520654976000 is 67945602555.

55520654976000 is a `hidden beast` number, since 5 + 5 + 5 + 20 + 6 + 5 + 4 + 9 + 7 + 600 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 211105151869 + ... + 211105152131.

It is an arithmetic number, because the mean of its divisors is an integer number (100876978800).

Almost surely, 2^{55520654976000} is an apocalyptic number.

55520654976000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55520654976000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106526089612800).

55520654976000 is an abundant number, since it is smaller than the sum of its proper divisors (157531524249600).

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

55520654976000 is a wasteful number, since it uses less digits than its factorization.

55520654976000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 55520654976000 in words is "fifty-five trillion, five hundred twenty billion, six hundred fifty-four million, nine hundred seventy-six thousand".