50639105 has 12 divisors (see below), whose sum is σ = 66794196. Its totient is φ = 36828000.

The previous prime is 50639101. The next prime is 50639119. The reversal of 50639105 is 50193605.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 44729344 = 2431^2 + 6688^2 .

It is not a de Polignac number, because 50639105 - 2² = 50639101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50639101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41246 + ... + 42455.

It is an arithmetic number, because the mean of its divisors is an integer number (5566183).

Almost surely, 2^50639105 is an apocalyptic number.

50639105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50639105 is a deficient number, since it is larger than the sum of its proper divisors (16155091).

50639105 is a wasteful number, since it uses less digits than its factorization.

50639105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83728 (or 83717 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 50639105 is about 7116.1158647116. The cubic root of 50639105 is about 369.9661644248.

The spelling of 50639105 in words is "fifty million, six hundred thirty-nine thousand, one hundred five".