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50843975556 = 223116122972749
BaseRepresentation
bin101111010110100010…
…010111111110000100
311212020101220120102210
4233112202113332010
51313112024204211
635205110503420
73446650442613
oct572642277604
9155211816383
1050843975556
111a62110a410
129a2b664b70
134a4387bb4a
14266486587a
1514c8a069a6
hexbd6897f84

50843975556 has 96 divisors (see below), whose sum is σ = 131647824000. Its totient is φ = 15142579200.

The previous prime is 50843975543. The next prime is 50843975557. The reversal of 50843975556 is 65557934805.

It is a junction number, because it is equal to n+sod(n) for n = 50843975496 and 50843975505.

It is not an unprimeable number, because it can be changed into a prime (50843975557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18494070 + ... + 18496818.

It is an arithmetic number, because the mean of its divisors is an integer number (1371331500).

Almost surely, 250843975556 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 50843975556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65823912000).

50843975556 is an abundant number, since it is smaller than the sum of its proper divisors (80803848444).

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

50843975556 is a wasteful number, since it uses less digits than its factorization.

50843975556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 50843975556 in words is "fifty billion, eight hundred forty-three million, nine hundred seventy-five thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 61 66 122 132 183 244 366 671 732 1342 2013 2297 2684 2749 4026 4594 5498 6891 8052 8247 9188 10996 13782 16494 25267 27564 30239 32988 50534 60478 75801 90717 101068 120956 140117 151602 167689 181434 280234 303204 335378 362868 420351 503067 560468 670756 840702 1006134 1541287 1681404 1844579 2012268 3082574 3689158 4623861 5533737 6165148 6314453 7378316 9247722 11067474 12628906 18495444 18943359 22134948 25257812 37886718 69458983 75773436 138917966 208376949 277835932 385181633 416753898 770363266 833507796 1155544899 1540726532 2311089798 4236997963 4622179596 8473995926 12710993889 16947991852 25421987778 50843975556