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53975197 is a prime number
BaseRepresentation
bin1100110111100…
…1100010011101
310202120020001101
43031321202131
5102304201242
65204513101
71223532043
oct315714235
9122506041
1053975197
1128516401
12160ab791
13b24a8b3
147250393
154b129b7
hex337989d

53975197 has 2 divisors, whose sum is σ = 53975198. Its totient is φ = 53975196.

The previous prime is 53975189. The next prime is 53975213. The reversal of 53975197 is 79157935.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50537881 + 3437316 = 7109^2 + 1854^2 .

It is a cyclic number.

It is not a de Polignac number, because 53975197 - 23 = 53975189 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 (53975137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26987598 + 26987599.

It is an arithmetic number, because the mean of its divisors is an integer number (26987599).

Almost surely, 253975197 is an apocalyptic number.

It is an amenable number.

53975197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53975197 is an equidigital number, since it uses as much as digits as its factorization.

53975197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 297675, while the sum is 46.

The square root of 53975197 is about 7346.7814041252. The cubic root of 53975197 is about 377.9184360656.

The spelling of 53975197 in words is "fifty-three million, nine hundred seventy-five thousand, one hundred ninety-seven".