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55252241988470 = 25149211349950227
BaseRepresentation
bin11001001000000011010100…
…10000011011101101110110
321020122001200202002001200022
430210001222100123231312
524220223042422112340
6313302310215045142
714431562030621462
oct1444015220335566
9236561622061608
1055252241988470
11166723871a7a2a
1262443080707b2
1324aa3581b9407
14d9031944d4a2
1565c386e0d3b5
hex32406a41bb76

55252241988470 has 64 divisors (see below), whose sum is σ = 100626775200000. Its totient is φ = 21841848927360.

The previous prime is 55252241988443. The next prime is 55252241988479. The reversal of 55252241988470 is 7488914225255.

It is a super-2 number, since 2×552522419884702 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55252241988479) 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, 1100025497 + ... + 1100075723.

It is an arithmetic number, because the mean of its divisors is an integer number (1572293362500).

Almost surely, 255252241988470 is an apocalyptic number.

55252241988470 is a deficient number, since it is larger than the sum of its proper divisors (45374533211530).

55252241988470 is a wasteful number, since it uses less digits than its factorization.

55252241988470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54093.

The product of its (nonzero) digits is 64512000, while the sum is 62.

The spelling of 55252241988470 in words is "fifty-five trillion, two hundred fifty-two billion, two hundred forty-one million, nine hundred eighty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 149 211 298 422 745 1055 1490 2110 3499 6998 17495 31439 34990 50227 62878 100454 157195 251135 314390 502270 521351 738289 1042702 1476578 2606755 3691445 5213510 7382890 7483823 10597897 14967646 21195794 37419115 52989485 74838230 105978970 110005061 175744273 220010122 351488546 550025305 878721365 1100050610 1579086653 1757442730 3158173306 7895433265 15790866530 26185896677 37082041603 52371793354 74164083206 130929483385 185410208015 261858966770 370820416030 5525224198847 11050448397694 27626120994235 55252241988470