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55464553369 is a prime number
BaseRepresentation
bin110011101001111100…
…011110101110011001
312022011102100020121101
4303221330132232121
51402042411201434
641251405511401
74002314632141
oct635174365631
9168142306541
1055464553369
1121582326965
12a8bab72561
1352cbc22564
14298239b921
1516994b1b14
hexce9f1eb99

55464553369 has 2 divisors, whose sum is σ = 55464553370. Its totient is φ = 55464553368.

The previous prime is 55464553363. The next prime is 55464553453. The reversal of 55464553369 is 96335546455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51241113225 + 4223440144 = 226365^2 + 64988^2 .

It is a cyclic number.

It is not a de Polignac number, because 55464553369 - 211 = 55464551321 is a prime.

It is a super-2 number, since 2×554645533692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55464553363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27732276684 + 27732276685.

It is an arithmetic number, because the mean of its divisors is an integer number (27732276685).

Almost surely, 255464553369 is an apocalyptic number.

It is an amenable number.

55464553369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55464553369 is an equidigital number, since it uses as much as digits as its factorization.

55464553369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160000, while the sum is 55.

The spelling of 55464553369 in words is "fifty-five billion, four hundred sixty-four million, five hundred fifty-three thousand, three hundred sixty-nine".