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55838193835776 = 2831161163766191
BaseRepresentation
bin11001011001000110101111…
…01101010101111100000000
321022201002010201212000111220
430230203113231111330000
524304323110110221101
6314431413452435040
714522114332266222
oct1454432755257400
9238632121760456
1055838193835776
11168789327a3480
126319996178a80
132520699578421
14db0823a84412
1566c72d7d5636
hex32c8d7b55f00

55838193835776 has 288 divisors, whose sum is σ = 164881992877056. Its totient is φ = 16632858624000.

The previous prime is 55838193835757. The next prime is 55838193835799. The reversal of 55838193835776 is 67753839183855.

55838193835776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843558841 + ... + 843625031.

It is an arithmetic number, because the mean of its divisors is an integer number (572506919712).

Almost surely, 255838193835776 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 55838193835776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82440996438528).

55838193835776 is an abundant number, since it is smaller than the sum of its proper divisors (109043799041280).

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

55838193835776 is a wasteful number, since it uses less digits than its factorization.

55838193835776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67919 (or 67905 counting only the distinct ones).

The product of its digits is 4572288000, while the sum is 78.

The spelling of 55838193835776 in words is "fifty-five trillion, eight hundred thirty-eight billion, one hundred ninety-three million, eight hundred thirty-five thousand, seven hundred seventy-six".