50550213 has 24 divisors (see below), whose sum is σ = 78701952. Its totient is φ = 28776384.

The previous prime is 50550169. The next prime is 50550221. The reversal of 50550213 is 31205505.

It is not a de Polignac number, because 50550213 - 2⁹ = 50549701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 50550213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53481 + ... + 54417.

It is an arithmetic number, because the mean of its divisors is an integer number (3279248).

Almost surely, 2^50550213 is an apocalyptic number.

It is an amenable number.

50550213 is a deficient number, since it is larger than the sum of its proper divisors (28151739).

50550213 is a wasteful number, since it uses less digits than its factorization.

50550213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 50550213 is about 7109.8672983397. The cubic root of 50550213 is about 369.7495578161.

Adding to 50550213 its reverse (31205505), we get a palindrome (81755718).

It can be divided in two parts, 505502 and 13, that added together give a triangular number (505515 = T₁₀₀₅).

The spelling of 50550213 in words is "fifty million, five hundred fifty thousand, two hundred thirteen".