49861905 has 8 divisors (see below), whose sum is σ = 79779072. Its totient is φ = 26593008.

The previous prime is 49861883. The next prime is 49861921. The reversal of 49861905 is 50916894.

49861905 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 49861905 - 2⁶ = 49861841 is a prime.

It is an unprimeable number.

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, 1662049 + ... + 1662078.

It is an arithmetic number, because the mean of its divisors is an integer number (9972384).

Almost surely, 2^49861905 is an apocalyptic number.

It is an amenable number.

49861905 is a deficient number, since it is larger than the sum of its proper divisors (29917167).

49861905 is a wasteful number, since it uses less digits than its factorization.

49861905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324135.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 49861905 is about 7061.2962690996. The cubic root of 49861905 is about 368.0636729183.

The spelling of 49861905 in words is "forty-nine million, eight hundred sixty-one thousand, nine hundred five".