49905915 has 8 divisors (see below), whose sum is σ = 79849488. Its totient is φ = 26616480.

The previous prime is 49905907. The next prime is 49905941. The reversal of 49905915 is 51950994.

It is a happy number.

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

It is not a de Polignac number, because 49905915 - 2³ = 49905907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663516 + ... + 1663545.

It is an arithmetic number, because the mean of its divisors is an integer number (9981186).

Almost surely, 2^49905915 is an apocalyptic number.

49905915 is a deficient number, since it is larger than the sum of its proper divisors (29943573).

49905915 is a wasteful number, since it uses less digits than its factorization.

49905915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327069.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 49905915 is about 7064.4118651166. The cubic root of 49905915 is about 368.1719300389.

The spelling of 49905915 in words is "forty-nine million, nine hundred five thousand, nine hundred fifteen".