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BaseRepresentation
bin1100111001001011
32200102222
430321023
53142221
61044255
7306653
oct147113
980388
1052811
1136750
122668b
131b065
1415363
15109ab
hexce4b

52811 has 4 divisors (see below), whose sum is σ = 57624. Its totient is φ = 48000.

The previous prime is 52807. The next prime is 52813. The reversal of 52811 is 11825.

52811 = T58 + T59 + ... + T79.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52811 - 22 = 52807 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 52811.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 52811.

It is not an unprimeable number, because it can be changed into a prime (52813) 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, 2390 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (14406).

252811 is an apocalyptic number.

52811 is a deficient number, since it is larger than the sum of its proper divisors (4813).

52811 is a wasteful number, since it uses less digits than its factorization.

52811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812.

The product of its digits is 80, while the sum is 17.

The square root of 52811 is about 229.8064402927. The cubic root of 52811 is about 37.5181541729.

The spelling of 52811 in words is "fifty-two thousand, eight hundred eleven".

Divisors: 1 11 4801 52811