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55506105050 = 25211195311589
BaseRepresentation
bin110011101100011010…
…111111001011011010
312022021022112021210112
4303230122333023122
51402134030330200
641255452244322
74003331052104
oct635432771332
9168238467715
1055506105050
11215a38272a0
12a910a706a2
135307710456
142987ad6574
15169ce6d535
hexcec6bf2da

55506105050 has 48 divisors (see below), whose sum is σ = 118554688800. Its totient is φ = 19121716800.

The previous prime is 55506105023. The next prime is 55506105071. The reversal of 55506105050 is 5050160555.

It is a junction number, because it is equal to n+sod(n) for n = 55506104998 and 55506105016.

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, 2645345 + ... + 2666244.

It is an arithmetic number, because the mean of its divisors is an integer number (2469889350).

Almost surely, 255506105050 is an apocalyptic number.

55506105050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55506105050 is an abundant number, since it is smaller than the sum of its proper divisors (63048583750).

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

55506105050 is a wasteful number, since it uses less digits than its factorization.

55506105050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311631 (or 5311626 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55506105050 in words is "fifty-five billion, five hundred six million, one hundred five thousand, fifty".

Divisors: 1 2 5 10 11 19 22 25 38 50 55 95 110 190 209 275 418 475 550 950 1045 2090 5225 10450 5311589 10623178 26557945 53115890 58427479 100920191 116854958 132789725 201840382 265579450 292137395 504600955 584274790 1009201910 1110122101 1460686975 2220244202 2523004775 2921373950 5046009550 5550610505 11101221010 27753052525 55506105050