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53396069 = 375373373
BaseRepresentation
bin1100101110110…
…0001001100101
310201110210122012
43023230021211
5102132133234
65144244005
71215600446
oct313541145
9121423565
1053396069
1128160291
1215a70605
13b0a710c
14713d2cd
154a4b0ce
hex32ec265

53396069 has 16 divisors (see below), whose sum is σ = 56791152. Its totient is φ = 50139648.

The previous prime is 53396059. The next prime is 53396081. The reversal of 53396069 is 96069335.

53396069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8008900 + 45387169 = 2830^2 + 6737^2 .

It is a cyclic number.

It is not a de Polignac number, because 53396069 - 24 = 53396053 is a prime.

It is a super-2 number, since 2×533960692 = 5702280369305522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53396039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142967 + ... + 143339.

It is an arithmetic number, because the mean of its divisors is an integer number (3549447).

Almost surely, 253396069 is an apocalyptic number.

It is an amenable number.

53396069 is a deficient number, since it is larger than the sum of its proper divisors (3395083).

53396069 is a wasteful number, since it uses less digits than its factorization.

53396069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 53396069 is about 7307.2613885094. The cubic root of 53396069 is about 376.5619450265.

The spelling of 53396069 in words is "fifty-three million, three hundred ninety-six thousand, sixty-nine".

Divisors: 1 37 53 73 373 1961 2701 3869 13801 19769 27229 143153 731453 1007473 1443137 53396069