50520213 has 16 divisors (see below), whose sum is σ = 78099840. Its totient is φ = 32215392.

The previous prime is 50520181. The next prime is 50520247. The reversal of 50520213 is 31202505.

It is a happy number.

It is not a de Polignac number, because 50520213 - 2⁵ = 50520181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50520293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40056 + ... + 41297.

It is an arithmetic number, because the mean of its divisors is an integer number (4881240).

Almost surely, 2^50520213 is an apocalyptic number.

It is an amenable number.

50520213 is a deficient number, since it is larger than the sum of its proper divisors (27579627).

50520213 is a wasteful number, since it uses less digits than its factorization.

50520213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81385 (or 81379 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 50520213 is about 7107.7572412119. The cubic root of 50520213 is about 369.6763983367.

Adding to 50520213 its reverse (31202505), we get a palindrome (81722718).

The spelling of 50520213 in words is "fifty million, five hundred twenty thousand, two hundred thirteen".