50250813 has 4 divisors (see below), whose sum is σ = 67001088. Its totient is φ = 33500540.

The previous prime is 50250803. The next prime is 50250817. The reversal of 50250813 is 31805205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50250813 - 2¹⁸ = 49988669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50250817) 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, 8375133 + ... + 8375138.

It is an arithmetic number, because the mean of its divisors is an integer number (16750272).

Almost surely, 2^50250813 is an apocalyptic number.

It is an amenable number.

50250813 is a deficient number, since it is larger than the sum of its proper divisors (16750275).

50250813 is a wasteful number, since it uses less digits than its factorization.

50250813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750274.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 50250813 is about 7088.7807837455. The cubic root of 50250813 is about 369.0181247110.

It can be divided in two parts, 502 and 50813, that added together give a palindrome (51315).

The spelling of 50250813 in words is "fifty million, two hundred fifty thousand, eight hundred thirteen".