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55304921722752 = 273513317955849
BaseRepresentation
bin11001001001100101011100…
…01101101010111110000000
321020211002200002021211200000
430210302232031222332000
524222103434430112002
6313342421424400000
714435435342153562
oct1444625615527600
9236732602254600
1055304921722752
111669275a575009
12625256a476000
1324b2302198510
14d92ab5a19332
1565d91bb8361c
hex324cae36af80

55304921722752 has 768 divisors, whose sum is σ = 185794452480000. Its totient is φ = 16259220357120.

The previous prime is 55304921722733. The next prime is 55304921722781. The reversal of 55304921722752 is 25722712940355.

55304921722752 is a `hidden beast` number, since 5 + 5 + 30 + 492 + 1 + 72 + 2 + 7 + 52 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 990230124 + ... + 990285972.

It is an arithmetic number, because the mean of its divisors is an integer number (241919860000).

Almost surely, 255304921722752 is an apocalyptic number.

55304921722752 is a gapful number since it is divisible by the number (52) 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 55304921722752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92897226240000).

55304921722752 is an abundant number, since it is smaller than the sum of its proper divisors (130489530757248).

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

55304921722752 is a wasteful number, since it uses less digits than its factorization.

55304921722752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56001 (or 55977 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 55304921722752 in words is "fifty-five trillion, three hundred four billion, nine hundred twenty-one million, seven hundred twenty-two thousand, seven hundred fifty-two".