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55001010061050 = 235210115467234721
BaseRepresentation
bin11001000000101111010111…
…01010101011111011111010
321012202001012221212210211120
430200113223222223323322
524202114032033423200
6312551040515010110
714404456205516544
oct1440275352537372
9235661187783746
1055001010061050
1116585885340449
126203692b99936
13248c75ab379b1
14d820c519a694
15655a80d9d9a0
hex3205ebaabefa

55001010061050 has 96 divisors (see below), whose sum is σ = 137762517973824. Its totient is φ = 14520718080000.

The previous prime is 55001010061043. The next prime is 55001010061079. The reversal of 55001010061050 is 5016001010055.

It is a super-2 number, since 2×550010100610502 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55001010061050.

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, 234207690 + ... + 234442410.

It is an arithmetic number, because the mean of its divisors is an integer number (1435026228894).

Almost surely, 255001010061050 is an apocalyptic number.

55001010061050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55001010061050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68881258986912).

55001010061050 is an abundant number, since it is smaller than the sum of its proper divisors (82761507912774).

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

55001010061050 is a wasteful number, since it uses less digits than its factorization.

55001010061050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250304 (or 250299 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 55001010061050 in words is "fifty-five trillion, one billion, ten million, sixty-one thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 101 150 202 303 505 606 1010 1515 2525 3030 5050 7575 15150 15467 30934 46401 77335 92802 154670 232005 234721 386675 464010 469442 704163 773350 1160025 1173605 1408326 1562167 2320050 2347210 3124334 3520815 4686501 5868025 7041630 7810835 9373002 11736050 15621670 17604075 23432505 23706821 35208150 39054175 46865010 47413642 71120463 78108350 117162525 118534105 142240926 234325050 237068210 355602315 592670525 711204630 1185341050 1778011575 3556023150 3630429707 7260859414 10891289121 18152148535 21782578242 36304297070 54456445605 90760742675 108912891210 181521485350 272282228025 366673400407 544564456050 733346800814 1100020201221 1833367002035 2200040402442 3666734004070 5500101006105 9166835010175 11000202012210 18333670020350 27500505030525 55001010061050