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54909317 is a prime number
BaseRepresentation
bin1101000101110…
…1100110000101
310211022200102102
43101131212011
5103024044232
65240521445
71234502321
oct321354605
9124280372
1054909317
1128aa4201
1216480285
13b4b6b28
147414981
154c49662
hex345d985

54909317 has 2 divisors, whose sum is σ = 54909318. Its totient is φ = 54909316.

The previous prime is 54909307. The next prime is 54909329. The reversal of 54909317 is 71390945.

It is a happy number.

54909317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44502241 + 10407076 = 6671^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 54909317 - 28 = 54909061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54909307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27454658 + 27454659.

It is an arithmetic number, because the mean of its divisors is an integer number (27454659).

Almost surely, 254909317 is an apocalyptic number.

It is an amenable number.

54909317 is a deficient number, since it is larger than the sum of its proper divisors (1).

54909317 is an equidigital number, since it uses as much as digits as its factorization.

54909317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 54909317 is about 7410.0821183034. The cubic root of 54909317 is about 380.0861231389.

The spelling of 54909317 in words is "fifty-four million, nine hundred nine thousand, three hundred seventeen".