49307305 has 4 divisors (see below), whose sum is σ = 59168772. Its totient is φ = 39445840.

The previous prime is 49307287. The next prime is 49307309. The reversal of 49307305 is 50370394.

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 5071504 + 44235801 = 2252^2 + 6651^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49307305 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49307309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4930726 + ... + 4930735.

It is an arithmetic number, because the mean of its divisors is an integer number (14792193).

Almost surely, 2^49307305 is an apocalyptic number.

It is an amenable number.

49307305 is a deficient number, since it is larger than the sum of its proper divisors (9861467).

49307305 is an equidigital number, since it uses as much as digits as its factorization.

49307305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861466.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 49307305 is about 7021.9160490567. The cubic root of 49307305 is about 366.6939589419.

Adding to 49307305 its reverse (50370394), we get a palindrome (99677699).

The spelling of 49307305 in words is "forty-nine million, three hundred seven thousand, three hundred five".