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55353433252 = 221326113110247
BaseRepresentation
bin110011100011010100…
…100101110010100100
312021212200020202110111
4303203110211302210
51401330434331002
641232400102404
73666465263605
oct634324456244
9167780222414
1055353433252
112152562a757
12a889904a04
1352b1bb7400
142971713dac
15168e8623d7
hexce3525ca4

55353433252 has 72 divisors (see below), whose sum is σ = 107436998592. Its totient is φ = 24934665600.

The previous prime is 55353433249. The next prime is 55353433273. The reversal of 55353433252 is 25233435355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5396793 + ... + 5407039.

It is an arithmetic number, because the mean of its divisors is an integer number (1492180536).

Almost surely, 255353433252 is an apocalyptic number.

55353433252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55353433252 is a deficient number, since it is larger than the sum of its proper divisors (52083565340).

55353433252 is a wasteful number, since it uses less digits than its factorization.

55353433252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469 (or 10454 counting only the distinct ones).

The product of its digits is 810000, while the sum is 40.

The spelling of 55353433252 in words is "fifty-five billion, three hundred fifty-three million, four hundred thirty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 61 122 131 169 244 262 338 524 676 793 1586 1703 3172 3406 6812 7991 10247 10309 15982 20494 20618 22139 31964 40988 41236 44278 88556 103883 133211 207766 266422 415532 532844 625067 1250134 1342357 1350479 1731743 2500268 2684714 2700958 3463486 5369428 5401916 6926972 8125871 16251742 17450641 32503484 34901282 69802564 81883777 105636323 163767554 211272646 226858333 327535108 422545292 453716666 907433332 1064489101 2128978202 4257956404 13838358313 27676716626 55353433252