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4055 = 5811
BaseRepresentation
bin111111010111
312120012
4333113
5112210
630435
714552
oct7727
95505
104055
113057
12241b
131acc
141699
151305
hexfd7

4055 has 4 divisors (see below), whose sum is σ = 4872. Its totient is φ = 3240.

The previous prime is 4051. The next prime is 4057. The reversal of 4055 is 5504.

Adding to 4055 its reverse (5504), we get a palindrome (9559).

It can be divided in two parts, 405 and 5, that multiplied together give a square (2025 = 452).

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

It is not a de Polignac number, because 4055 - 22 = 4051 is a prime.

It is a Duffinian number.

4055 is a modest number, since divided by 55 gives 40 as remainder.

It is a plaindrome in base 13 and base 14.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051) 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, 401 + ... + 410.

It is an arithmetic number, because the mean of its divisors is an integer number (1218).

24055 is an apocalyptic number.

4055 is a deficient number, since it is larger than the sum of its proper divisors (817).

4055 is an equidigital number, since it uses as much as digits as its factorization.

4055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 4055 is about 63.6788818997. The cubic root of 4055 is about 15.9464354610.

The spelling of 4055 in words is "four thousand, fifty-five".

Divisors: 1 5 811 4055