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55166550005 = 571576187143
BaseRepresentation
bin110011011000001011…
…101011111111110101
312021101122121002211202
4303120023223333311
51400440114100010
641202042342245
73662035636520
oct633013537765
9167348532752
1055166550005
112143a096596
12a8371ba985
1352822734c8
142954987bb7
15167d2496a5
hexcd82ebff5

55166550005 has 8 divisors (see below), whose sum is σ = 75656982912. Its totient is φ = 37828491408.

The previous prime is 55166549947. The next prime is 55166550029. The reversal of 55166550005 is 50005566155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55166550005 - 210 = 55166548981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788093537 + ... + 788093606.

It is an arithmetic number, because the mean of its divisors is an integer number (9457122864).

Almost surely, 255166550005 is an apocalyptic number.

It is an amenable number.

55166550005 is a deficient number, since it is larger than the sum of its proper divisors (20490432907).

55166550005 is a wasteful number, since it uses less digits than its factorization.

55166550005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576187155.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55166550005 in words is "fifty-five billion, one hundred sixty-six million, five hundred fifty thousand, five".

Divisors: 1 5 7 35 1576187143 7880935715 11033310001 55166550005