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55470358693 is a prime number
BaseRepresentation
bin110011101010010010…
…101000000010100101
312022011211021012000101
4303222102220002211
51402100402434233
641252134144101
74002415161241
oct635222500245
9168154235011
1055470358693
1121585631552
12a900ab2031
1353001a5a69
14298306d421
151699c5bc7d
hexcea4a80a5

55470358693 has 2 divisors, whose sum is σ = 55470358694. Its totient is φ = 55470358692.

The previous prime is 55470358637. The next prime is 55470358703. The reversal of 55470358693 is 39685307455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54055320004 + 1415038689 = 232498^2 + 37617^2 .

It is a cyclic number.

It is not a de Polignac number, because 55470358693 - 213 = 55470350501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55470358633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27735179346 + 27735179347.

It is an arithmetic number, because the mean of its divisors is an integer number (27735179347).

Almost surely, 255470358693 is an apocalyptic number.

It is an amenable number.

55470358693 is a deficient number, since it is larger than the sum of its proper divisors (1).

55470358693 is an equidigital number, since it uses as much as digits as its factorization.

55470358693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 55470358693 in words is "fifty-five billion, four hundred seventy million, three hundred fifty-eight thousand, six hundred ninety-three".