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50105 = 511911

50105 has 8 divisors (see below), whose sum is σ = 65664. Its totient is φ = 36400.

The previous prime is 50101. The next prime is 50111.

Multipling 50105 by its sum of digits (11), we get a palindrome (551155).

50105 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 50105 - 22 = 50101 is a prime.

It is a super-2 number, since 2×501052 = 5021022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (50101) 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, 401 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (8208).

250105 is an apocalyptic number.

50105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50105 is a deficient number, since it is larger than the sum of its proper divisors (15559).

50105 is a wasteful number, since it uses less digits than its factorization.

50105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 50105 is about 223.8414617536. The cubic root of 50105 is about 36.8660851762.

The spelling of 50105 in words is "fifty thousand, one hundred five".

Divisors: 1 5 11 55 911 4555 10021 50105