49650613 has 4 divisors (see below), whose sum is σ = 49671628. Its totient is φ = 49629600.

The previous prime is 49650593. The next prime is 49650619. The reversal of 49650613 is 31605694.

49650613 = 4982² + 4983².

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 24820324 + 24830289 = 4982^2 + 4983^2 .

It is a cyclic number.

It is not a de Polignac number, because 49650613 - 2⁹ = 49650101 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 (49650619) 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, 6438 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (12417907).

Almost surely, 2^49650613 is an apocalyptic number.

49650613 is the 4983-rd centered square number.

It is an amenable number.

49650613 is a deficient number, since it is larger than the sum of its proper divisors (21015).

49650613 is a wasteful number, since it uses less digits than its factorization.

49650613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21014.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 49650613 is about 7046.3191100035. The cubic root of 49650613 is about 367.5430415289.

The spelling of 49650613 in words is "forty-nine million, six hundred fifty thousand, six hundred thirteen".