49438213 has 4 divisors (see below), whose sum is σ = 53932608. Its totient is φ = 44943820.

The previous prime is 49438199. The next prime is 49438217. The reversal of 49438213 is 31283494.

49438213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49438213 - 2⁹ = 49437701 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 (49438217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247181 + ... + 2247202.

It is an arithmetic number, because the mean of its divisors is an integer number (13483152).

Almost surely, 2^49438213 is an apocalyptic number.

It is an amenable number.

49438213 is a deficient number, since it is larger than the sum of its proper divisors (4494395).

49438213 is a wasteful number, since it uses less digits than its factorization.

49438213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494394.

The product of its digits is 20736, while the sum is 34.

The square root of 49438213 is about 7031.2312577528. The cubic root of 49438213 is about 367.0181891511.

The spelling of 49438213 in words is "forty-nine million, four hundred thirty-eight thousand, two hundred thirteen".