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55185676000 = 2553713151609
BaseRepresentation
bin110011011001010100…
…101001011011100000
312021102222120210202221
4303121110221123200
51401010013113000
641204004320424
73662360335450
oct633124513340
9167388523687
1055185676000
112144996a1a4
12a8416a3114
13528620bb70
142957325d60
15167ec7661a
hexcd95296e0

55185676000 has 192 divisors, whose sum is σ = 166882584960. Its totient is φ = 17465241600.

The previous prime is 55185675989. The next prime is 55185676033. The reversal of 55185676000 is 67658155.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 288196 + ... + 439804.

It is an arithmetic number, because the mean of its divisors is an integer number (869180130).

Almost surely, 255185676000 is an apocalyptic number.

55185676000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55185676000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83441292480).

55185676000 is an abundant number, since it is smaller than the sum of its proper divisors (111696908960).

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

55185676000 is a wasteful number, since it uses less digits than its factorization.

55185676000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151654 (or 151636 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 55185676000 in words is "fifty-five billion, one hundred eighty-five million, six hundred seventy-six thousand".