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53542169 is a prime number
BaseRepresentation
bin1100110000111…
…1110100011001
310201202020001022
43030033310121
5102201322134
65151332225
71220046422
oct314176431
9121666038
1053542169
112825002a
1215b21075
13b128775
14717a649
154a7952e
hex330fd19

53542169 has 2 divisors, whose sum is σ = 53542170. Its totient is φ = 53542168.

The previous prime is 53542127. The next prime is 53542211. The reversal of 53542169 is 96124535.

It is a balanced prime because it is at equal distance from previous prime (53542127) and next prime (53542211).

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 21279769 = 5680^2 + 4613^2 .

It is a cyclic number.

It is not a de Polignac number, because 53542169 - 212 = 53538073 is a prime.

It is a super-3 number, since 3×535421693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (53542109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26771084 + 26771085.

It is an arithmetic number, because the mean of its divisors is an integer number (26771085).

Almost surely, 253542169 is an apocalyptic number.

It is an amenable number.

53542169 is a deficient number, since it is larger than the sum of its proper divisors (1).

53542169 is an equidigital number, since it uses as much as digits as its factorization.

53542169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 53542169 is about 7317.2514648603. The cubic root of 53542169 is about 376.9050763977.

The spelling of 53542169 in words is "fifty-three million, five hundred forty-two thousand, one hundred sixty-nine".