49091907 has 8 divisors (see below), whose sum is σ = 65785600. Its totient is φ = 32563080.

The previous prime is 49091897. The next prime is 49091909. The reversal of 49091907 is 70919094.

49091907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49091907 - 2⁴ = 49091891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49091909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40519 + ... + 41712.

It is an arithmetic number, because the mean of its divisors is an integer number (8223200).

Almost surely, 2^49091907 is an apocalyptic number.

49091907 is a deficient number, since it is larger than the sum of its proper divisors (16693693).

49091907 is a wasteful number, since it uses less digits than its factorization.

49091907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82433.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 49091907 is about 7006.5617102827. The cubic root of 49091907 is about 366.1592143752.

The spelling of 49091907 in words is "forty-nine million, ninety-one thousand, nine hundred seven".