49640307 has 4 divisors (see below), whose sum is σ = 66187080. Its totient is φ = 33093536.

The previous prime is 49640291. The next prime is 49640309. The reversal of 49640307 is 70304694.

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

It is a cyclic number.

It is not a de Polignac number, because 49640307 - 2⁴ = 49640291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49640309) 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, 8273382 + ... + 8273387.

It is an arithmetic number, because the mean of its divisors is an integer number (16546770).

Almost surely, 2^49640307 is an apocalyptic number.

49640307 is a deficient number, since it is larger than the sum of its proper divisors (16546773).

49640307 is a wasteful number, since it uses less digits than its factorization.

49640307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16546772.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 49640307 is about 7045.5877682419. The cubic root of 49640307 is about 367.5176094112.

The spelling of 49640307 in words is "forty-nine million, six hundred forty thousand, three hundred seven".