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50552105540 = 22543946712329
BaseRepresentation
bin101111000101001000…
…111110101001000100
311211111001201001001012
4233011020332221010
51312012314334130
635120123021352
73436504543616
oct570510765104
9154431631035
1050552105540
111a491389122
12996996a858
1349c82696b1
142637baadb6
1514ad0a1995
hexbc523ea44

50552105540 has 48 divisors (see below), whose sum is σ = 106637731200. Its totient is φ = 20129947392.

The previous prime is 50552105507. The next prime is 50552105543. The reversal of 50552105540 is 4550125505.

It is a junction number, because it is equal to n+sod(n) for n = 50552105497 and 50552105506.

It is not an unprimeable number, because it can be changed into a prime (50552105543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4094096 + ... + 4106424.

It is an arithmetic number, because the mean of its divisors is an integer number (2221619400).

Almost surely, 250552105540 is an apocalyptic number.

It is an amenable number.

50552105540 is an abundant number, since it is smaller than the sum of its proper divisors (56085625660).

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

50552105540 is a wasteful number, since it uses less digits than its factorization.

50552105540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13244 (or 13242 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 50552105540 in words is "fifty billion, five hundred fifty-two million, one hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 439 467 878 934 1756 1868 2195 2335 4390 4670 8780 9340 12329 24658 49316 61645 123290 205013 246580 410026 820052 1025065 2050130 4100260 5412431 5757643 10824862 11515286 21649724 23030572 27062155 28788215 54124310 57576430 108248620 115152860 2527605277 5055210554 10110421108 12638026385 25276052770 50552105540