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54545287 is a prime number
BaseRepresentation
bin1101000000010…
…0101110000111
310210122012001211
43100010232013
5102430422122
65225032251
71231425106
oct320045607
9123565054
1054545287
1128875755
1216325687
13b3ba224
14735c03d
154bc6877
hex3404b87

54545287 has 2 divisors, whose sum is σ = 54545288. Its totient is φ = 54545286.

The previous prime is 54545279. The next prime is 54545291. The reversal of 54545287 is 78254545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54545287 - 23 = 54545279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54545237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27272643 + 27272644.

It is an arithmetic number, because the mean of its divisors is an integer number (27272644).

Almost surely, 254545287 is an apocalyptic number.

54545287 is a deficient number, since it is larger than the sum of its proper divisors (1).

54545287 is an equidigital number, since it uses as much as digits as its factorization.

54545287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224000, while the sum is 40.

The square root of 54545287 is about 7385.4781158704. The cubic root of 54545287 is about 379.2443130656.

The spelling of 54545287 in words is "fifty-four million, five hundred forty-five thousand, two hundred eighty-seven".