49665039 has 16 divisors (see below), whose sum is σ = 67477344. Its totient is φ = 32486400.

The previous prime is 49665037. The next prime is 49665047. The reversal of 49665039 is 93056694.

It is not a de Polignac number, because 49665039 - 2¹ = 49665037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49665037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52309 + ... + 53249.

It is an arithmetic number, because the mean of its divisors is an integer number (4217334).

Almost surely, 2^49665039 is an apocalyptic number.

49665039 is a deficient number, since it is larger than the sum of its proper divisors (17812305).

49665039 is a wasteful number, since it uses less digits than its factorization.

49665039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 49665039 is about 7047.3426906885. The cubic root of 49665039 is about 367.5786346610.

The spelling of 49665039 in words is "forty-nine million, six hundred sixty-five thousand, thirty-nine".