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53311 = 89599
BaseRepresentation
bin1101000000111111
32201010111
431000333
53201221
61050451
7311266
oct150077
981114
1053311
1137065
1226a27
131b35b
14155dd
1510be1
hexd03f

53311 has 4 divisors (see below), whose sum is σ = 54000. Its totient is φ = 52624.

The previous prime is 53309. The next prime is 53323. The reversal of 53311 is 11335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11335 = 52267.

It is a cyclic number.

It is not a de Polignac number, because 53311 - 21 = 53309 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 53291 and 53300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53381) 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, 211 + ... + 388.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

253311 is an apocalyptic number.

53311 is a deficient number, since it is larger than the sum of its proper divisors (689).

53311 is an equidigital number, since it uses as much as digits as its factorization.

53311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its digits is 45, while the sum is 13.

The square root of 53311 is about 230.8917495278. The cubic root of 53311 is about 37.6361863039.

Adding to 53311 its reverse (11335), we get a palindrome (64646).

The spelling of 53311 in words is "fifty-three thousand, three hundred eleven".

Divisors: 1 89 599 53311