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55275806530 = 2574716801157
BaseRepresentation
bin110011011110101100…
…011101111101000010
312021200021011220121201
4303132230131331002
51401201101302110
641220544211414
73664533413620
oct633654357502
9167607156551
1055275806530
112149582a63a
12a867909b6a
13529baa8339
1429652a8510
151687b2bb3a
hexcdeb1df42

55275806530 has 32 divisors (see below), whose sum is σ = 116129604096. Its totient is φ = 18548476224.

The previous prime is 55275806507. The next prime is 55275806533. The reversal of 55275806530 is 3560857255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55275806533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8397289 + ... + 8403868.

It is an arithmetic number, because the mean of its divisors is an integer number (3629050128).

Almost surely, 255275806530 is an apocalyptic number.

55275806530 is an abundant number, since it is smaller than the sum of its proper divisors (60853797566).

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

55275806530 is a wasteful number, since it uses less digits than its factorization.

55275806530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16801218.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 55275806530 in words is "fifty-five billion, two hundred seventy-five million, eight hundred six thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 16801157 33602314 84005785 117608099 168011570 235216198 588040495 789654379 1176080990 1579308758 3948271895 5527580653 7896543790 11055161306 27637903265 55275806530