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54789906637 is a prime number
BaseRepresentation
bin110011000001101110…
…111010000011001101
312020102101212122021101
4303001232322003031
51344202204003022
641100425503101
73646513344064
oct630156720315
9166371778241
1054789906637
1121266523884
12a751041a91
13522221c0cb
14291a9431db
15165a14b627
hexcc1bba0cd

54789906637 has 2 divisors, whose sum is σ = 54789906638. Its totient is φ = 54789906636.

The previous prime is 54789906593. The next prime is 54789906653. The reversal of 54789906637 is 73660998745.

It is a happy number.

54789906637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46367439561 + 8422467076 = 215331^2 + 91774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54789906637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54789906037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27394953318 + 27394953319.

It is an arithmetic number, because the mean of its divisors is an integer number (27394953319).

Almost surely, 254789906637 is an apocalyptic number.

It is an amenable number.

54789906637 is a deficient number, since it is larger than the sum of its proper divisors (1).

54789906637 is an equidigital number, since it uses as much as digits as its factorization.

54789906637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 54789906637 in words is "fifty-four billion, seven hundred eighty-nine million, nine hundred six thousand, six hundred thirty-seven".