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55505500570 = 25131972239719
BaseRepresentation
bin110011101100011000…
…101011100110011010
312022021021101120121101
4303230120223212122
51402133402004240
641255431302014
74003322653552
oct635430534632
9168237346541
1055505500570
11215a3454123
12a91081a90a
13530755b280
1429879ba162
15169cd9e39a
hexcec62b99a

55505500570 has 64 divisors (see below), whose sum is σ = 108637562880. Its totient is φ = 20296781568.

The previous prime is 55505500553. The next prime is 55505500571. The reversal of 55505500570 is 7500550555.

It is not an unprimeable number, because it can be changed into a prime (55505500571) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5706171 + ... + 5715889.

It is an arithmetic number, because the mean of its divisors is an integer number (1697461920).

Almost surely, 255505500570 is an apocalyptic number.

55505500570 is a deficient number, since it is larger than the sum of its proper divisors (53132062310).

55505500570 is a wasteful number, since it uses less digits than its factorization.

55505500570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10159.

The product of its (nonzero) digits is 109375, while the sum is 37.

The spelling of 55505500570 in words is "fifty-five billion, five hundred five million, five hundred thousand, five hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 197 223 394 446 985 1115 1970 2230 2561 2899 5122 5798 9719 12805 14495 19438 25610 28990 43931 48595 87862 97190 126347 219655 252694 439310 571103 631735 1142206 1263470 1914643 2167337 2855515 3829286 4334674 5711030 9573215 10836685 19146430 21673370 24890359 28175381 49780718 56350762 124451795 140876905 248903590 281753810 426965389 853930778 2134826945 4269653890 5550550057 11101100114 27752750285 55505500570