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53905396896 = 25321314397809
BaseRepresentation
bin110010001101000000…
…110001010010100000
312011010202111220000100
4302031000301102200
51340344240200041
640432551422400
73615553212351
oct621500612240
9164122456010
1053905396896
112095221159a
12a544984a00
135110bba270
142875299d28
15160767e6b6
hexc8d0314a0

53905396896 has 72 divisors (see below), whose sum is σ = 165085289460. Its totient is φ = 16586274816.

The previous prime is 53905396847. The next prime is 53905396957. The reversal of 53905396896 is 69869350935.

53905396896 is a `hidden beast` number, since 5 + 3 + 9 + 0 + 539 + 6 + 8 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41356916496 + 12548480400 = 203364^2 + 112020^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7195161 + ... + 7202648.

Almost surely, 253905396896 is an apocalyptic number.

It is an amenable number.

53905396896 is an abundant number, since it is smaller than the sum of its proper divisors (111179892564).

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

53905396896 is a wasteful number, since it uses less digits than its factorization.

53905396896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14397838 (or 14397827 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 63.

The spelling of 53905396896 in words is "fifty-three billion, nine hundred five million, three hundred ninety-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 14397809 28795618 43193427 57591236 86386854 115182472 129580281 172773708 187171517 230364944 259160562 345547416 374343034 460729888 518321124 561514551 691094832 748686068 1036642248 1123029102 1382189664 1497372136 1684543653 2073284496 2246058204 2994744272 3369087306 4146568992 4492116408 5989488544 6738174612 8984232816 13476349224 17968465632 26952698448 53905396896