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55281009353 is a prime number
BaseRepresentation
bin110011011111000000…
…010100001011001001
312021200121222020112212
4303133000110023021
51401203414244403
641221251514505
73664625553323
oct633700241311
9167617866485
1055281009353
1121498763599
12a8695b8a35
13529cbaa52b
142965c60613
1516883084d8
hexcdf0142c9

55281009353 has 2 divisors, whose sum is σ = 55281009354. Its totient is φ = 55281009352.

The previous prime is 55281009347. The next prime is 55281009379. The reversal of 55281009353 is 35390018255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33722547769 + 21558461584 = 183637^2 + 146828^2 .

It is a cyclic number.

It is not a de Polignac number, because 55281009353 - 212 = 55281005257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55281009353.

It is not a weakly prime, because it can be changed into another prime (55281006353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27640504676 + 27640504677.

It is an arithmetic number, because the mean of its divisors is an integer number (27640504677).

Almost surely, 255281009353 is an apocalyptic number.

It is an amenable number.

55281009353 is a deficient number, since it is larger than the sum of its proper divisors (1).

55281009353 is an equidigital number, since it uses as much as digits as its factorization.

55281009353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 55281009353 in words is "fifty-five billion, two hundred eighty-one million, nine thousand, three hundred fifty-three".