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55550555555070 = 2354099074991563
BaseRepresentation
bin11001010000101110111110…
…01000011000010011111110
321021200120200201200101201010
430220113133020120103332
524240120014210230240
6314051323430100050
714462252360244522
oct1450273710302376
9237616621611633
1055550555555070
1116777949457914
1262920a07aa626
1324cc51980b824
14da09385dbd82
15664ee64e8280
hex3285df2184fe

55550555555070 has 64 divisors (see below), whose sum is σ = 133794680106240. Its totient is φ = 14760967281408.

The previous prime is 55550555555051. The next prime is 55550555555177. The reversal of 55550555555070 is 7055555505555.

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 55550555555070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8633109 + ... + 13624671.

It is an arithmetic number, because the mean of its divisors is an integer number (2090541876660).

Almost surely, 255550555555070 is an apocalyptic number.

55550555555070 is an abundant number, since it is smaller than the sum of its proper divisors (78244124551170).

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

55550555555070 is a wasteful number, since it uses less digits than its factorization.

55550555555070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992889.

The product of its (nonzero) digits is 68359375, while the sum is 57.

The spelling of 55550555555070 in words is "fifty-five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 409 818 907 1227 1814 2045 2454 2721 4090 4535 5442 6135 9070 12270 13605 27210 370963 741926 1112889 1854815 2225778 3709630 4991563 5564445 9983126 11128890 14974689 24957815 29949378 49915630 74873445 149746890 2041549267 4083098534 4527347641 6124647801 9054695282 10207746335 12249295602 13582042923 20415492670 22636738205 27164085846 30623239005 45273476410 61246478010 67910214615 135820429230 1851685185169 3703370370338 5555055555507 9258425925845 11110111111014 18516851851690 27775277777535 55550555555070