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50550805505 = 528135979221
BaseRepresentation
bin101111000101000100…
…000001010000000001
311211110222020222201202
4233011010001100001
51312012001234010
635120035110545
73436460520464
oct570504012001
9154428228652
1050550805505
111a490680412
129969442455
1349c7c02a45
14263794d2db
1514acde66a5
hexbc5101401

50550805505 has 8 divisors (see below), whose sum is σ = 60876843624. Its totient is φ = 40296726400.

The previous prime is 50550805489. The next prime is 50550805517.

50550805505 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 12808806976 + 37741998529 = 113176^2 + 194273^2 .

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

It is not a de Polignac number, because 50550805505 - 24 = 50550805489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17988206 + ... + 17991015.

It is an arithmetic number, because the mean of its divisors is an integer number (7609605453).

Almost surely, 250550805505 is an apocalyptic number.

It is an amenable number.

50550805505 is a deficient number, since it is larger than the sum of its proper divisors (10326038119).

50550805505 is a wasteful number, since it uses less digits than its factorization.

50550805505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35979507.

The product of its (nonzero) digits is 125000, while the sum is 38.

The spelling of 50550805505 in words is "fifty billion, five hundred fifty million, eight hundred five thousand, five hundred five".

Divisors: 1 5 281 1405 35979221 179896105 10110161101 50550805505