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55027500552505 = 5132149437055721
BaseRepresentation
bin11001000001100000101101…
…00111111001000100111001
321012211120121010102012112201
430200300112213321010321
524203032310120140010
6313011141302110201
714406414522134215
oct1440602647710471
9235746533365481
1055027500552505
1116596039552798
12620884671b361
1324920c00b4500
14d834b948d945
156565d183d23a
hex320c169f9139

55027500552505 has 24 divisors (see below), whose sum is σ = 71983077413400. Its totient is φ = 40362969853440.

The previous prime is 55027500552503. The next prime is 55027500552509. The reversal of 55027500552505 is 50525500572055.

It can be written as a sum of positive squares in 12 ways, for example, as 33894135365689 + 21133365186816 = 5821867^2 + 4597104^2 .

It is not a de Polignac number, because 55027500552505 - 21 = 55027500552503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55027500552503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218401956 + ... + 218653765.

It is an arithmetic number, because the mean of its divisors is an integer number (2999294892225).

Almost surely, 255027500552505 is an apocalyptic number.

It is an amenable number.

55027500552505 is a deficient number, since it is larger than the sum of its proper divisors (16955576860895).

55027500552505 is a wasteful number, since it uses less digits than its factorization.

55027500552505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437055901 (or 437055888 counting only the distinct ones).

The product of its (nonzero) digits is 2187500, while the sum is 46.

The spelling of 55027500552505 in words is "fifty-five trillion, twenty-seven billion, five hundred million, five hundred fifty-two thousand, five hundred five".

Divisors: 1 5 13 65 149 169 745 845 1937 9685 25181 125905 437055721 2185278605 5681724373 28408621865 65121302429 73862416849 325606512145 369312084245 846576931577 4232884657885 11005500110501 55027500552505