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55500555050050 = 25211116778641783
BaseRepresentation
bin11001001111010001110101…
…10111100101110001000010
321021111210122002220120022211
430213220322313211301002
524233310114043100200
6314012334125452334
714455532331046435
oct1447507267456102
9237453562816284
1055500555050050
111675872047a3a0
1262844677110aa
1324c78ab922c96
14d9c353bb981c
15663a6baa3aba
hex327a3ade5c42

55500555050050 has 48 divisors (see below), whose sum is σ = 112625328964032. Its totient is φ = 20180289326400.

The previous prime is 55500555050027. The next prime is 55500555050071. The reversal of 55500555050050 is 5005055500555.

It is a super-2 number, since 2×555005550500502 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55500555049985 and 55500555050012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2101459 + ... + 10743241.

It is an arithmetic number, because the mean of its divisors is an integer number (2346361020084).

Almost surely, 255500555050050 is an apocalyptic number.

55500555050050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500555050050 is an abundant number, since it is smaller than the sum of its proper divisors (57124773913982).

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

55500555050050 is a wasteful number, since it uses less digits than its factorization.

55500555050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653483 (or 8653478 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55500555050050 in words is "fifty-five trillion, five hundred billion, five hundred fifty-five million, fifty thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 11677 23354 58385 116770 128447 256894 291925 583850 642235 1284470 3211175 6422350 8641783 17283566 43208915 86417830 95059613 190119226 216044575 432089150 475298065 950596130 2376490325 4752980650 100910100091 201820200182 504550500455 1009101000910 1110011101001 2220022202002 2522752502275 5045505004550 5550055505005 11100111010010 27750277525025 55500555050050