50383381 has 4 divisors (see below), whose sum is σ = 51745132. Its totient is φ = 49021632.

The previous prime is 50383379. The next prime is 50383391. The reversal of 50383381 is 18338305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18922500 + 31460881 = 4350^2 + 5609^2 .

It is a cyclic number.

It is not a de Polignac number, because 50383381 - 2¹ = 50383379 is a prime.

It is a super-2 number, since 2×50383381² = 5076970161982322, 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 (50383391) 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, 680820 + ... + 680893.

It is an arithmetic number, because the mean of its divisors is an integer number (12936283).

Almost surely, 2^50383381 is an apocalyptic number.

It is an amenable number.

50383381 is a deficient number, since it is larger than the sum of its proper divisors (1361751).

50383381 is a wasteful number, since it uses less digits than its factorization.

50383381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361750.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 50383381 is about 7098.1251750022. The cubic root of 50383381 is about 369.3423452608.

The spelling of 50383381 in words is "fifty million, three hundred eighty-three thousand, three hundred eighty-one".