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55530706860 = 22325793905113
BaseRepresentation
bin110011101101111000…
…110101011110101100
312022100000211012010200
4303231320311132230
51402211330104420
641302131433500
74004050135356
oct635570653654
9168300735120
1055530706860
11216066aaa72
12a919155890
13530c845335
14298b09c0d6
1516a01ccb90
hexcede357ac

55530706860 has 72 divisors (see below), whose sum is σ = 170575379520. Its totient is φ = 14620739328.

The previous prime is 55530706849. The next prime is 55530706867. The reversal of 55530706860 is 6860703555.

55530706860 is a `hidden beast` number, since 55 + 530 + 7 + 0 + 6 + 8 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (55530706867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1938337 + ... + 1966776.

Almost surely, 255530706860 is an apocalyptic number.

It is an amenable number.

55530706860 is an abundant number, since it is smaller than the sum of its proper divisors (115044672660).

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

55530706860 is a wasteful number, since it uses less digits than its factorization.

55530706860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905207 (or 3905202 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 55530706860 in words is "fifty-five billion, five hundred thirty million, seven hundred six thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 79 90 158 180 237 316 395 474 711 790 948 1185 1422 1580 2370 2844 3555 4740 7110 14220 3905113 7810226 11715339 15620452 19525565 23430678 35146017 39051130 46861356 58576695 70292034 78102260 117153390 140584068 175730085 234306780 308503927 351460170 617007854 702920340 925511781 1234015708 1542519635 1851023562 2776535343 3085039270 3702047124 4627558905 5553070686 6170078540 9255117810 11106141372 13882676715 18510235620 27765353430 55530706860