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53385197 is a prime number
BaseRepresentation
bin1100101110100…
…1011111101101
310201110020201112
43023221133231
5102131311242
65144121405
71215523655
oct313513755
9121406645
1053385197
11281530a8
1215a66265
13b0a2198
147139365
154a47c82
hex32e97ed

53385197 has 2 divisors, whose sum is σ = 53385198. Its totient is φ = 53385196.

The previous prime is 53385149. The next prime is 53385217. The reversal of 53385197 is 79158335.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36893476 + 16491721 = 6074^2 + 4061^2 .

It is a cyclic number.

It is not a de Polignac number, because 53385197 - 214 = 53368813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53385107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26692598 + 26692599.

It is an arithmetic number, because the mean of its divisors is an integer number (26692599).

Almost surely, 253385197 is an apocalyptic number.

It is an amenable number.

53385197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53385197 is an equidigital number, since it uses as much as digits as its factorization.

53385197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 53385197 is about 7306.5174330867. The cubic root of 53385197 is about 376.5363859705.

The spelling of 53385197 in words is "fifty-three million, three hundred eighty-five thousand, one hundred ninety-seven".