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53538874021775 = 52731091333920177
BaseRepresentation
bin11000010110001011111011…
…00100010101011110001111
321000120021012011222011120202
430023011331210111132033
524004140103222144100
6305511230313204115
714164025131324202
oct1413057544253617
9230507164864522
1053538874021775
11160717886a218a
12600823870063b
1323b49040a7c9c
14d3141c54d939
1562ca07c057d5
hex30b17d91578f

53538874021775 has 48 divisors (see below), whose sum is σ = 67923498376800. Its totient is φ = 41851596533760.

The previous prime is 53538874021687. The next prime is 53538874021783. The reversal of 53538874021775 is 57712047883535.

It is not a de Polignac number, because 53538874021775 - 214 = 53538874005391 is a prime.

It is a super-3 number, since 3×535388740217753 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2653450487 + ... + 2653470663.

It is an arithmetic number, because the mean of its divisors is an integer number (1415072882850).

Almost surely, 253538874021775 is an apocalyptic number.

53538874021775 is a deficient number, since it is larger than the sum of its proper divisors (14384624355025).

53538874021775 is a wasteful number, since it uses less digits than its factorization.

53538874021775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33708 (or 33703 counting only the distinct ones).

The product of its (nonzero) digits is 197568000, while the sum is 65.

The spelling of 53538874021775 in words is "fifty-three trillion, five hundred thirty-eight billion, eight hundred seventy-four million, twenty-one thousand, seven hundred seventy-five".

Divisors: 1 5 25 73 109 365 545 1825 2725 7957 13339 20177 39785 66695 100885 198925 333475 504425 973747 1453951 1472921 2199293 4868735 7269755 7364605 10996465 24343675 36348775 36823025 54982325 106138423 160548389 269141003 530692115 802741945 1345705015 2653460575 4013709725 6728525075 19647293219 29336369327 98236466095 146681846635 491182330475 733409233175 2141554960871 10707774804355 53538874021775