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53986163 = 7111936901
BaseRepresentation
bin1100110111110…
…0001101110011
310202120210002112
43031330031303
5102310024123
65205035535
71223606030
oct315741563
9122523075
1053986163
1128523670
12160b5bab
13b25289a
147254387
154b15d78
hex337c373

53986163 has 16 divisors (see below), whose sum is σ = 70851840. Its totient is φ = 39852000.

The previous prime is 53986157. The next prime is 53986187. The reversal of 53986163 is 36168935.

It is a cyclic number.

It is not a de Polignac number, because 53986163 - 24 = 53986147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53986163.

It is not an unprimeable number, because it can be changed into a prime (53986103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16988 + ... + 19913.

It is an arithmetic number, because the mean of its divisors is an integer number (4428240).

Almost surely, 253986163 is an apocalyptic number.

53986163 is a deficient number, since it is larger than the sum of its proper divisors (16865677).

53986163 is a wasteful number, since it uses less digits than its factorization.

53986163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36938.

The product of its digits is 116640, while the sum is 41.

The square root of 53986163 is about 7347.5276794307. The cubic root of 53986163 is about 377.9440279002.

The spelling of 53986163 in words is "fifty-three million, nine hundred eighty-six thousand, one hundred sixty-three".

Divisors: 1 7 11 19 77 133 209 1463 36901 258307 405911 701119 2841377 4907833 7712309 53986163