50990383 has 4 divisors (see below), whose sum is σ = 51009088. Its totient is φ = 50971680.

The previous prime is 50990369. The next prime is 50990393. The reversal of 50990383 is 38309905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38309905 = 5 ⋅7661981.

It is a cyclic number.

It is not a de Polignac number, because 50990383 - 2⁵ = 50990351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50990353) 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, 4383 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (12752272).

Almost surely, 2^50990383 is an apocalyptic number.

50990383 is a deficient number, since it is larger than the sum of its proper divisors (18705).

50990383 is a wasteful number, since it uses less digits than its factorization.

50990383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18704.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 50990383 is about 7140.7550721195. The cubic root of 50990383 is about 370.8196656776.

The spelling of 50990383 in words is "fifty million, nine hundred ninety thousand, three hundred eighty-three".