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55250370340 = 22511251138047
BaseRepresentation
bin110011011101001011…
…011011111100100100
312021121111022121201121
4303131023123330210
51401123043322330
641214235103324
73664104253624
oct633513337444
9167544277647
1055250370340
1121482436aa0
12a85b2a1b44
135296740739
142961b66884
1516857a517a
hexcdd2dbf24

55250370340 has 24 divisors (see below), whose sum is σ = 126573576192. Its totient is φ = 20091043680.

The previous prime is 55250370337. The next prime is 55250370353. The reversal of 55250370340 is 4307305255.

It is a junction number, because it is equal to n+sod(n) for n = 55250370296 and 55250370305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125568804 + ... + 125569243.

It is an arithmetic number, because the mean of its divisors is an integer number (5273899008).

Almost surely, 255250370340 is an apocalyptic number.

It is an amenable number.

55250370340 is an abundant number, since it is smaller than the sum of its proper divisors (71323205852).

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

55250370340 is a wasteful number, since it uses less digits than its factorization.

55250370340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251138067 (or 251138065 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 34.

Adding to 55250370340 its reverse (4307305255), we get a palindrome (59557675595).

The spelling of 55250370340 in words is "fifty-five billion, two hundred fifty million, three hundred seventy thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 251138047 502276094 1004552188 1255690235 2511380470 2762518517 5022760940 5525037034 11050074068 13812592585 27625185170 55250370340