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54406302725 = 522176252109
BaseRepresentation
bin110010101010110111…
…100100110000000101
312012102200001112122002
4302222313210300011
51342411003141400
640554403515045
73634144641245
oct625267446005
9165380045562
1054406302725
1121089a37555
12a664688a85
1351908cb748
1428c1a09b25
151636625ed5
hexcaade4c05

54406302725 has 6 divisors (see below), whose sum is σ = 67463815410. Its totient is φ = 43525042160.

The previous prime is 54406302719. The next prime is 54406302749. The reversal of 54406302725 is 52720360445.

It can be written as a sum of positive squares in 3 ways, for example, as 8008281121 + 46398021604 = 89489^2 + 215402^2 .

It is not a de Polignac number, because 54406302725 - 212 = 54406298629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1088126030 + ... + 1088126079.

It is an arithmetic number, because the mean of its divisors is an integer number (11243969235).

Almost surely, 254406302725 is an apocalyptic number.

It is an amenable number.

54406302725 is a deficient number, since it is larger than the sum of its proper divisors (13057512685).

54406302725 is a wasteful number, since it uses less digits than its factorization.

54406302725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176252119 (or 2176252114 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 54406302725 in words is "fifty-four billion, four hundred six million, three hundred two thousand, seven hundred twenty-five".

Divisors: 1 5 25 2176252109 10881260545 54406302725