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53083 = 109487
BaseRepresentation
bin1100111101011011
32200211001
430331123
53144313
61045431
7310522
oct147533
980731
1053083
1136978
1226877
131b214
14154b9
1510add
hexcf5b

53083 has 4 divisors (see below), whose sum is σ = 53680. Its totient is φ = 52488.

The previous prime is 53077. The next prime is 53087. The reversal of 53083 is 38035.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 38035 = 57607.

It is a 3-Lehmer number, since φ(53083) divides (53083-1)3.

It is a cyclic number.

It is not a de Polignac number, because 53083 - 25 = 53051 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 53083.

It is not an unprimeable number, because it can be changed into a prime (53087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 352.

It is an arithmetic number, because the mean of its divisors is an integer number (13420).

253083 is an apocalyptic number.

53083 is a deficient number, since it is larger than the sum of its proper divisors (597).

53083 is a wasteful number, since it uses less digits than its factorization.

53083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53083 is about 230.3974826251. The cubic root of 53083 is about 37.5824555995.

The spelling of 53083 in words is "fifty-three thousand, eighty-three".

Divisors: 1 109 487 53083