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BaseRepresentation
bin100000000111
32211010
4200013
531210
613303
75664
oct4007
92733
102055
1115a9
121233
13c21
14a6b
15920
hex807

2055 has 8 divisors (see below), whose sum is σ = 3312. Its totient is φ = 1088.

The previous prime is 2053. The next prime is 2063. The reversal of 2055 is 5502.

Adding to 2055 its reverse (5502), we get a palindrome (7557).

It can be divided in two parts, 205 and 5, that added together give a triangular number (210 = T20).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2055 - 21 = 2053 is a prime.

2055 is a modest number, since divided by 55 gives 20 as remainder.

It is a plaindrome in base 12.

It is a nialpdrome in base 13 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 83.

It is an arithmetic number, because the mean of its divisors is an integer number (414).

22055 is an apocalyptic number.

2055 is a deficient number, since it is larger than the sum of its proper divisors (1257).

2055 is a wasteful number, since it uses less digits than its factorization.

2055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 50, while the sum is 12.

The square root of 2055 is about 45.3321078266. The cubic root of 2055 is about 12.7136604619.

The spelling of 2055 in words is "two thousand, fifty-five".

Divisors: 1 3 5 15 137 411 685 2055