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55055255254992 = 24327119135817873
BaseRepresentation
bin11001000010010100011001…
…11011101011011111010000
321012221020020101210011202200
430201022030323223133100
524204011130321124432
6313032011325443200
714411416356203166
oct1441121473533720
9235836211704680
1055055255254992
11165a6891338543
1262120b1710500
1324948c42480a5
14d8498d629236
156571a829da7c
hex32128ceeb7d0

55055255254992 has 240 divisors, whose sum is σ = 157130236164096. Its totient is φ = 17991235584000.

The previous prime is 55055255254981. The next prime is 55055255254997. The reversal of 55055255254992 is 29945255255055.

It is a happy number.

55055255254992 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 525 + 52 + 54 + 9 + 9 + 2 = 666.

55055255254992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×550552552549922 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055255254997) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6992915568 + ... + 6992923440.

Almost surely, 255055255254992 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 55055255254992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78565118082048).

55055255254992 is an abundant number, since it is smaller than the sum of its proper divisors (102074980909104).

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

55055255254992 is a wasteful number, since it uses less digits than its factorization.

55055255254992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11730 (or 11721 counting only the distinct ones).

The product of its (nonzero) digits is 202500000, while the sum is 63.

Adding to 55055255254992 its sum of digits (63), we get a palindrome (55055255255055).

The spelling of 55055255254992 in words is "fifty-five trillion, fifty-five billion, two hundred fifty-five million, two hundred fifty-four thousand, nine hundred ninety-two".