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55570020710550 = 2352370466804737
BaseRepresentation
bin11001010001010011001110…
…10110000011100010010110
321021202102221021210202012120
430220221213112003202112
524240424400300214200
6314104303132000410
714463541626321123
oct1450514726034226
9237672837722176
1055570020710550
1116785127a90275
126295a13600106
1325012cc4512c8
14da186385b74a
156657853169a0
hex328a67583896

55570020710550 has 24 divisors (see below), whose sum is σ = 137813651362536. Its totient is φ = 14818672189440.

The previous prime is 55570020710537. The next prime is 55570020710551. The reversal of 55570020710550 is 5501702007555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55570020710551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185233402219 + ... + 185233402518.

It is an arithmetic number, because the mean of its divisors is an integer number (5742235473439).

Almost surely, 255570020710550 is an apocalyptic number.

55570020710550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55570020710550 is an abundant number, since it is smaller than the sum of its proper divisors (82243630651986).

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

55570020710550 is a wasteful number, since it uses less digits than its factorization.

55570020710550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370466804752 (or 370466804747 counting only the distinct ones).

The product of its (nonzero) digits is 306250, while the sum is 42.

The spelling of 55570020710550 in words is "fifty-five trillion, five hundred seventy billion, twenty million, seven hundred ten thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 370466804737 740933609474 1111400414211 1852334023685 2222800828422 3704668047370 5557002071055 9261670118425 11114004142110 18523340236850 27785010355275 55570020710550