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53853289 = 77693327
BaseRepresentation
bin1100110101101…
…1110001101001
310202100000211021
43031123301221
5102241301124
65202132441
71222513450
oct315336151
9122300737
1053853289
1128442856
1216051121
13b207269
14721bb97
154adb7e4
hex335bc69

53853289 has 4 divisors (see below), whose sum is σ = 61546624. Its totient is φ = 46159956.

The previous prime is 53853271. The next prime is 53853307. The reversal of 53853289 is 98235835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (53853271) and next prime (53853307).

It is a cyclic number.

It is not a de Polignac number, because 53853289 - 25 = 53853257 is a prime.

It is a super-2 number, since 2×538532892 = 5800353472235042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53853259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846657 + ... + 3846670.

It is an arithmetic number, because the mean of its divisors is an integer number (15386656).

Almost surely, 253853289 is an apocalyptic number.

It is an amenable number.

53853289 is a deficient number, since it is larger than the sum of its proper divisors (7693335).

53853289 is an equidigital number, since it uses as much as digits as its factorization.

53853289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693334.

The product of its digits is 259200, while the sum is 43.

The square root of 53853289 is about 7338.4800197316. The cubic root of 53853289 is about 377.6337002840.

The spelling of 53853289 in words is "fifty-three million, eight hundred fifty-three thousand, two hundred eighty-nine".

Divisors: 1 7 7693327 53853289