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52555469 is a prime number
BaseRepresentation
bin1100100001111…
…0111011001101
310122220002112212
43020132323031
5101423233334
65114240205
71205466641
oct310367315
9118802485
1052555469
112773677a
1215726065
13ab71615
146da0c21
154931ece
hex321eecd

52555469 has 2 divisors, whose sum is σ = 52555470. Its totient is φ = 52555468.

The previous prime is 52555439. The next prime is 52555471. The reversal of 52555469 is 96455525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51652969 + 902500 = 7187^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 52555469 - 220 = 51506893 is a prime.

It is a super-2 number, since 2×525554692 = 5524154643619922, which contains 22 as substring.

Together with 52555471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52555409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26277734 + 26277735.

It is an arithmetic number, because the mean of its divisors is an integer number (26277735).

Almost surely, 252555469 is an apocalyptic number.

It is an amenable number.

52555469 is a deficient number, since it is larger than the sum of its proper divisors (1).

52555469 is an equidigital number, since it uses as much as digits as its factorization.

52555469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 41.

The square root of 52555469 is about 7249.5150872317. The cubic root of 52555469 is about 374.5754460437.

The spelling of 52555469 in words is "fifty-two million, five hundred fifty-five thousand, four hundred sixty-nine".