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55043445269 is a prime number
BaseRepresentation
bin110011010000110110…
…000101001000010101
312021002001221201220002
4303100312011020111
51400212110222034
641141524021045
73656012364551
oct632066051025
9167061851802
1055043445269
112138665413a
12a801b31785
135262900377
1429424a0861
15167252de7e
hexcd0d85215

55043445269 has 2 divisors, whose sum is σ = 55043445270. Its totient is φ = 55043445268.

The previous prime is 55043445211. The next prime is 55043445283. The reversal of 55043445269 is 96254434055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52825506244 + 2217939025 = 229838^2 + 47095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55043445269 is a prime.

It is a super-2 number, since 2×550434452692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55043445169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27521722634 + 27521722635.

It is an arithmetic number, because the mean of its divisors is an integer number (27521722635).

Almost surely, 255043445269 is an apocalyptic number.

It is an amenable number.

55043445269 is a deficient number, since it is larger than the sum of its proper divisors (1).

55043445269 is an equidigital number, since it uses as much as digits as its factorization.

55043445269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 55043445269 in words is "fifty-five billion, forty-three million, four hundred forty-five thousand, two hundred sixty-nine".