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BaseRepresentation
bin1101001100110…
…1101110001101
310212012000102111
43103031232031
5103133243324
65254424021
71241424313
oct323155615
9125160374
1055368589
1129288271
1216662011
13b617ba3
1474d40b3
154cda794
hex34cdb8d

55368589 has 2 divisors, whose sum is σ = 55368590. Its totient is φ = 55368588.

The previous prime is 55368587. The next prime is 55368617. The reversal of 55368589 is 98586355.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46812964 + 8555625 = 6842^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 55368589 - 21 = 55368587 is a prime.

Together with 55368587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55368583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27684294 + 27684295.

It is an arithmetic number, because the mean of its divisors is an integer number (27684295).

Almost surely, 255368589 is an apocalyptic number.

It is an amenable number.

55368589 is a deficient number, since it is larger than the sum of its proper divisors (1).

55368589 is an equidigital number, since it uses as much as digits as its factorization.

55368589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 49.

The square root of 55368589 is about 7441.0072570856. The cubic root of 55368589 is about 381.1428865442.

The spelling of 55368589 in words is "fifty-five million, three hundred sixty-eight thousand, five hundred eighty-nine".