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55050051010550 = 252139233272912457
BaseRepresentation
bin11001000010001010101101…
…01111000011111111110110
321012220201210201002011111112
430201011112233003333312
524203420001024314200
6313025351100435022
714411143403642651
oct1441052657037766
9235821721064445
1055050051010550
11165a4660709682
12621109a848a72
132494274ca72cb
14d8461839c898
15656ea1450535
hex321156bc3ff6

55050051010550 has 96 divisors (see below), whose sum is σ = 103618622671200. Its totient is φ = 21758053109760.

The previous prime is 55050051010547. The next prime is 55050051010579. The reversal of 55050051010550 is 5501015005055.

It is a super-2 number, since 2×550500510105502 (a number of 28 digits) contains 22 as substring.

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, 4419199922 + ... + 4419212378.

It is an arithmetic number, because the mean of its divisors is an integer number (1079360652825).

Almost surely, 255050051010550 is an apocalyptic number.

55050051010550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55050051010550 is a deficient number, since it is larger than the sum of its proper divisors (48568571660650).

55050051010550 is a wasteful number, since it uses less digits than its factorization.

55050051010550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570 (or 15565 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 55050051010550 in words is "fifty-five trillion, fifty billion, fifty-one million, ten thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 139 233 278 466 695 1165 1390 2330 2729 3475 5458 5825 6950 11650 12457 13645 24914 27290 32387 62285 64774 68225 124570 136450 161935 311425 323870 379331 622850 635857 758662 809675 1271714 1619350 1731523 1896655 2902481 3179285 3463046 3793310 5804962 6358570 8657615 9483275 14512405 15896425 17315230 18966550 29024810 31792850 33995153 43288075 67990306 72562025 86576150 88384123 145124050 169975765 176768246 339951530 403444859 441920615 806889718 849878825 883841230 1699757650 2017224295 2209603075 4034448590 4419206150 4725326267 7920870649 9450652534 10086121475 15841741298 20172242950 23626631335 39604353245 47253262670 79208706490 118133156675 198021766225 236266313350 396043532450 1101001020211 2202002040422 5505005101055 11010010202110 27525025505275 55050051010550