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55430343453 = 3671657166429
BaseRepresentation
bin110011100111111001…
…111110101100011101
312022002000222012102110
4303213321332230131
51402010131442303
641244144344233
74001421100602
oct634771765435
9168060865373
1055430343453
1121564a90501
12a8ab615079
1352c4b052c4
14297ba146a9
1516964a5703
hexce7e7eb1d

55430343453 has 16 divisors (see below), whose sum is σ = 75055935680. Its totient is φ = 36379829376.

The previous prime is 55430343407. The next prime is 55430343503. The reversal of 55430343453 is 35434303455.

It is not a de Polignac number, because 55430343453 - 221 = 55428246301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430343403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249843 + ... + 416271.

It is an arithmetic number, because the mean of its divisors is an integer number (4690995980).

Almost surely, 255430343453 is an apocalyptic number.

It is an amenable number.

55430343453 is a deficient number, since it is larger than the sum of its proper divisors (19625592227).

55430343453 is a wasteful number, since it uses less digits than its factorization.

55430343453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168156.

The product of its (nonzero) digits is 648000, while the sum is 39.

The spelling of 55430343453 in words is "fifty-five billion, four hundred thirty million, three hundred forty-three thousand, four hundred fifty-three".

Divisors: 1 3 67 201 1657 4971 111019 166429 333057 499287 11150743 33452229 275772853 827318559 18476781151 55430343453