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54172901 is a prime number
BaseRepresentation
bin1100111010100…
…1110011100101
310202221021020202
43032221303211
5102332013101
65213040245
71225314326
oct316516345
9122837222
1054172901
11286409a2
1216186085
13b2b9893
1472a244d
154b5136b
hex33a9ce5

54172901 has 2 divisors, whose sum is σ = 54172902. Its totient is φ = 54172900.

The previous prime is 54172871. The next prime is 54172919. The reversal of 54172901 is 10927145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 17023876 = 6095^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 54172901 - 222 = 49978597 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 (54172501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27086450 + 27086451.

It is an arithmetic number, because the mean of its divisors is an integer number (27086451).

Almost surely, 254172901 is an apocalyptic number.

It is an amenable number.

54172901 is a deficient number, since it is larger than the sum of its proper divisors (1).

54172901 is an equidigital number, since it uses as much as digits as its factorization.

54172901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 54172901 is about 7360.2242493011. The cubic root of 54172901 is about 378.3792955647.

The spelling of 54172901 in words is "fifty-four million, one hundred seventy-two thousand, nine hundred one".