50390203 has 4 divisors (see below), whose sum is σ = 50836248. Its totient is φ = 49944160.

The previous prime is 50390173. The next prime is 50390233. The reversal of 50390203 is 30209305.

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

It is an interprime number because it is at equal distance from previous prime (50390173) and next prime (50390233).

It is a cyclic number.

It is not a de Polignac number, because 50390203 - 2¹³ = 50382011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50390233) 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, 222853 + ... + 223078.

It is an arithmetic number, because the mean of its divisors is an integer number (12709062).

Almost surely, 2^50390203 is an apocalyptic number.

50390203 is a deficient number, since it is larger than the sum of its proper divisors (446045).

50390203 is a wasteful number, since it uses less digits than its factorization.

50390203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446044.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 50390203 is about 7098.6057081655. The cubic root of 50390203 is about 369.3590143801.

Adding to 50390203 its reverse (30209305), we get a palindrome (80599508).

The spelling of 50390203 in words is "fifty million, three hundred ninety thousand, two hundred three".