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50055555660 = 22351175841751
BaseRepresentation
bin101110100111100010…
…110010101001001100
311210012110100200122220
4232213202302221030
51310003210240120
634554544135340
73421265126415
oct564742625114
9153173320586
1050055555660
111a257068920
12984b607550
134949421ab6
1425cbc7280c
15147e6bab40
hexba78b2a4c

50055555660 has 48 divisors (see below), whose sum is σ = 152896972032. Its totient is φ = 12134680000.

The previous prime is 50055555659. The next prime is 50055555703. The reversal of 50055555660 is 6655555005.

50055555660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37920216 + ... + 37921535.

It is an arithmetic number, because the mean of its divisors is an integer number (3185353584).

Almost surely, 250055555660 is an apocalyptic number.

It is an amenable number.

50055555660 is an abundant number, since it is smaller than the sum of its proper divisors (102841416372).

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

50055555660 is a wasteful number, since it uses less digits than its factorization.

50055555660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75841774 (or 75841772 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 50055555660 in words is "fifty billion, fifty-five million, five hundred fifty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 75841751 151683502 227525253 303367004 379208755 455050506 758417510 834259261 910101012 1137626265 1516835020 1668518522 2275252530 2502777783 3337037044 4171296305 4550505060 5005555566 8342592610 10011111132 12513888915 16685185220 25027777830 50055555660