50426213 has 4 divisors (see below), whose sum is σ = 50717868. Its totient is φ = 50134560.

The previous prime is 50426203. The next prime is 50426237. The reversal of 50426213 is 31262405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39150049 + 11276164 = 6257^2 + 3358^2 .

It is a cyclic number.

It is not a de Polignac number, because 50426213 - 2⁴ = 50426197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50426203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145568 + ... + 145913.

It is an arithmetic number, because the mean of its divisors is an integer number (12679467).

Almost surely, 2^50426213 is an apocalyptic number.

It is an amenable number.

50426213 is a deficient number, since it is larger than the sum of its proper divisors (291655).

50426213 is a wasteful number, since it uses less digits than its factorization.

50426213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291654.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 50426213 is about 7101.1416687741. The cubic root of 50426213 is about 369.4469775837.

Adding to 50426213 its reverse (31262405), we get a palindrome (81688618).

The spelling of 50426213 in words is "fifty million, four hundred twenty-six thousand, two hundred thirteen".