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54551025661401 = 326101993480589
BaseRepresentation
bin11000110011101001001101…
…00000011011010111011001
321011011000201202211211212200
430121310212200123113121
524122231000032131101
6312004221211400413
714330116161316053
oct1431644640332731
9234130652754780
1054551025661401
1116421a61930855
126150430153109
1324591a7a5c619
14d683d87a88d3
15648ee6192986
hex319d2681b5d9

54551025661401 has 12 divisors (see below), whose sum is σ = 78808841282340. Its totient is φ = 36361389520800.

The previous prime is 54551025661393. The next prime is 54551025661403. The reversal of 54551025661401 is 10416652015545.

54551025661401 is a `hidden beast` number, since 5 + 4 + 5 + 5 + 1 + 0 + 25 + 6 + 614 + 0 + 1 = 666.

54551025661401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11182202240400 + 43368823421001 = 3343980^2 + 6585501^2 .

It is not a de Polignac number, because 54551025661401 - 23 = 54551025661393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54551025661403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496685386 + ... + 496795203.

It is an arithmetic number, because the mean of its divisors is an integer number (6567403440195).

Almost surely, 254551025661401 is an apocalyptic number.

It is an amenable number.

54551025661401 is a deficient number, since it is larger than the sum of its proper divisors (24257815620939).

54551025661401 is a wasteful number, since it uses less digits than its factorization.

54551025661401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993486696 (or 993486693 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

Adding to 54551025661401 its reverse (10416652015545), we get a palindrome (64967677676946).

The spelling of 54551025661401 in words is "fifty-four trillion, five hundred fifty-one billion, twenty-five million, six hundred sixty-one thousand, four hundred one".

Divisors: 1 3 9 6101 18303 54909 993480589 2980441767 8941325301 6061225073489 18183675220467 54551025661401