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55060447680 = 2633573832377
BaseRepresentation
bin110011010001110110…
…111100000111000000
312021010020221112211000
4303101312330013000
51400230433311210
641143332252000
73656310040350
oct632166740700
9167106845730
1055060447680
1121395207317
12a807771000
1352662a4274
142944848b60
151673c8bac0
hexcd1dbc1c0

55060447680 has 448 divisors, whose sum is σ = 222662983680. Its totient is φ = 12547104768.

The previous prime is 55060447669. The next prime is 55060447699. The reversal of 55060447680 is 8674406055.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 23162652 + ... + 23165028.

Almost surely, 255060447680 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 55060447680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111331491840).

55060447680 is an abundant number, since it is smaller than the sum of its proper divisors (167602536000).

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

55060447680 is a wasteful number, since it uses less digits than its factorization.

55060447680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 55060447680 in words is "fifty-five billion, sixty million, four hundred forty-seven thousand, six hundred eighty".