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55212024225 = 3521638215501
BaseRepresentation
bin110011011010111001…
…001010000110100001
312021111211011102202010
4303122321022012201
51401033234233400
641210345143133
73663130314441
oct633271120641
9167454142663
1055212024225
1121462825a96
12a84a48aaa9
13528b805927
14295aa24121
15168222d450
hexcdae4a1a1

55212024225 has 48 divisors (see below), whose sum is σ = 91972488384. Its totient is φ = 29224800000.

The previous prime is 55212024223. The next prime is 55212024229. The reversal of 55212024225 is 52242021255.

It is not a de Polignac number, because 55212024225 - 21 = 55212024223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55212024192 and 55212024201.

It is not an unprimeable number, because it can be changed into a prime (55212024223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10033975 + ... + 10039475.

It is an arithmetic number, because the mean of its divisors is an integer number (1916093508).

Almost surely, 255212024225 is an apocalyptic number.

It is an amenable number.

55212024225 is a deficient number, since it is larger than the sum of its proper divisors (36760464159).

55212024225 is a wasteful number, since it uses less digits than its factorization.

55212024225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498 (or 6493 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 55212024225 in words is "fifty-five billion, two hundred twelve million, twenty-four thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 163 489 815 821 2445 2463 4075 4105 5501 12225 12315 16503 20525 27505 61575 82515 133823 137525 401469 412575 669115 896663 2007345 2689989 3345575 4483315 4516321 10036725 13449945 13548963 22416575 22581605 67249725 67744815 112908025 338724075 736160323 2208480969 3680801615 11042404845 18404008075 55212024225