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55522422450 = 232521117719293
BaseRepresentation
bin110011101101011001…
…001110111010110010
312022022110020022001200
4303231121032322302
51402202220004300
641301234112030
74003616542515
oct635531167262
9168273208050
1055522422450
1121601a61850
12a91641b616
13530ac04611
142989d42d7c
15169e5e3200
hexced64eeb2

55522422450 has 288 divisors, whose sum is σ = 174749208192. Its totient is φ = 12488448000.

The previous prime is 55522422437. The next prime is 55522422451. The reversal of 55522422450 is 5422422555.

55522422450 is a `hidden beast` number, since 55 + 522 + 42 + 2 + 45 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (55522422451) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5970004 + ... + 5979296.

It is an arithmetic number, because the mean of its divisors is an integer number (606768084).

Almost surely, 255522422450 is an apocalyptic number.

55522422450 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 55522422450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87374604096).

55522422450 is an abundant number, since it is smaller than the sum of its proper divisors (119226785742).

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

55522422450 is a wasteful number, since it uses less digits than its factorization.

55522422450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410 (or 9402 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 55522422450 in words is "fifty-five billion, five hundred twenty-two million, four hundred twenty-two thousand, four hundred fifty".