50203091 has 4 divisors (see below), whose sum is σ = 53156232. Its totient is φ = 47249952.

The previous prime is 50203081. The next prime is 50203099. The reversal of 50203091 is 19030205.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50203091 is a prime.

It is a super-3 number, since 3×50203091³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50203099) 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, 1476545 + ... + 1476578.

It is an arithmetic number, because the mean of its divisors is an integer number (13289058).

Almost surely, 2^50203091 is an apocalyptic number.

50203091 is a deficient number, since it is larger than the sum of its proper divisors (2953141).

50203091 is a wasteful number, since it uses less digits than its factorization.

50203091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953140.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 50203091 is about 7085.4139610894. The cubic root of 50203091 is about 368.9012718051.

Adding to 50203091 its reverse (19030205), we get a palindrome (69233296).

The spelling of 50203091 in words is "fifty million, two hundred three thousand, ninety-one".