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55000505005450 = 252171672517731997
BaseRepresentation
bin11001000000101110011011…
…00100000011010110001010
321012201222220202112022210121
430200113031210003112022
524202112013240133300
6312550514433533454
714404440533565334
oct1440271544032612
9235658822468717
1055000505005450
1116585646240724
126203571a1428a
13248c6aa302724
14d8207808a454
15655a5188781a
hex3205cd90358a

55000505005450 has 192 divisors, whose sum is σ = 109597770793728. Its totient is φ = 20463311360000.

The previous prime is 55000505005361. The next prime is 55000505005487. The reversal of 55000505005450 is 5450050500055.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27541563852 + ... + 27541565848.

It is an arithmetic number, because the mean of its divisors is an integer number (570821722884).

Almost surely, 255000505005450 is an apocalyptic number.

55000505005450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000505005450 is a deficient number, since it is larger than the sum of its proper divisors (54597265788278).

55000505005450 is a wasteful number, since it uses less digits than its factorization.

55000505005450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 55000505005450 in words is "fifty-five trillion, five hundred five million, five thousand, four hundred fifty".