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54257653 is a prime number
BaseRepresentation
bin1100111011111…
…0011111110101
310210002120111201
43032332133311
5102342221103
65214532501
71226116402
oct316763765
9123076451
1054257653
112869963a
1216207131
13b319328
1472c52a9
154b6b51d
hex33be7f5

54257653 has 2 divisors, whose sum is σ = 54257654. Its totient is φ = 54257652.

The previous prime is 54257633. The next prime is 54257683. The reversal of 54257653 is 35675245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 8803089 = 6742^2 + 2967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54257653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54257603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27128826 + 27128827.

It is an arithmetic number, because the mean of its divisors is an integer number (27128827).

Almost surely, 254257653 is an apocalyptic number.

It is an amenable number.

54257653 is a deficient number, since it is larger than the sum of its proper divisors (1).

54257653 is an equidigital number, since it uses as much as digits as its factorization.

54257653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 37.

The square root of 54257653 is about 7365.9794324991. The cubic root of 54257653 is about 378.5765140547.

The spelling of 54257653 in words is "fifty-four million, two hundred fifty-seven thousand, six hundred fifty-three".