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55704910940644 = 2272284208729289
BaseRepresentation
bin11001010101001110011110…
…11011011100100111100100
321022020100010000120102101111
430222213033123130213210
524300132124200100034
6314250252141434404
714506355423340100
oct1452471733344744
9238210100512344
1055704910940644
1116827358002679
1262b7b99b6ba04
132510c484cccc4
14da81bc5b2900
1566902c64c364
hex32a9cf6dc9e4

55704910940644 has 18 divisors (see below), whose sum is σ = 113399282986710. Its totient is φ = 23873533260192.

The previous prime is 55704910940641. The next prime is 55704910940711. The reversal of 55704910940644 is 44604901940755.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31573610521600 + 24131300419044 = 5619040^2 + 4912362^2 .

It is a super-2 number, since 2×557049109406442 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55704910940641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142104364449 + ... + 142104364840.

Almost surely, 255704910940644 is an apocalyptic number.

It is an amenable number.

55704910940644 is an abundant number, since it is smaller than the sum of its proper divisors (57694372046066).

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

55704910940644 is a wasteful number, since it uses less digits than its factorization.

55704910940644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284208729307 (or 284208729298 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 55704910940644 in words is "fifty-five trillion, seven hundred four billion, nine hundred ten million, nine hundred forty thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 284208729289 568417458578 1136834917156 1989461105023 3978922210046 7957844420092 13926227735161 27852455470322 55704910940644