49793213 has 4 divisors (see below), whose sum is σ = 49811100. Its totient is φ = 49775328.

The previous prime is 49793207. The next prime is 49793279. The reversal of 49793213 is 31239794.

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 8602489 + 41190724 = 2933^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 49793213 - 2⁴ = 49793197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49793113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (12452775).

Almost surely, 2^49793213 is an apocalyptic number.

It is an amenable number.

49793213 is a deficient number, since it is larger than the sum of its proper divisors (17887).

49793213 is a wasteful number, since it uses less digits than its factorization.

49793213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17886.

The product of its digits is 40824, while the sum is 38.

The square root of 49793213 is about 7056.4306132775. The cubic root of 49793213 is about 367.8945748927.

It can be divided in two parts, 4979 and 3213, that added together give a 13-th power (8192 = 2¹³).

The spelling of 49793213 in words is "forty-nine million, seven hundred ninety-three thousand, two hundred thirteen".