50836381 has 12 divisors (see below), whose sum is σ = 54685692. Its totient is φ = 47234304.

The previous prime is 50836361. The next prime is 50836403. The reversal of 50836381 is 18363805.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34916281 + 15920100 = 5909^2 + 3990^2 .

It is not a de Polignac number, because 50836381 - 2⁵ = 50836349 is a prime.

It is a super-2 number, since 2×50836381² = 5168675266354322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50836321) 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, 17805 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (4557141).

Almost surely, 2^50836381 is an apocalyptic number.

It is an amenable number.

50836381 is a deficient number, since it is larger than the sum of its proper divisors (3849311).

50836381 is a wasteful number, since it uses less digits than its factorization.

50836381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 50836381 is about 7129.9636043952. The cubic root of 50836381 is about 370.4459706443.

The spelling of 50836381 in words is "fifty million, eight hundred thirty-six thousand, three hundred eighty-one".