48391905 has 32 divisors (see below), whose sum is σ = 80123904. Its totient is φ = 24925376.

The previous prime is 48391891. The next prime is 48391913. The reversal of 48391905 is 50919384.

48391905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 48391905 - 2⁸ = 48391649 is a prime.

It is a super-3 number, since 3×48391905³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 58102 + ... + 58928.

It is an arithmetic number, because the mean of its divisors is an integer number (2503872).

Almost surely, 2^48391905 is an apocalyptic number.

It is an amenable number.

48391905 is a deficient number, since it is larger than the sum of its proper divisors (31731999).

48391905 is a wasteful number, since it uses less digits than its factorization.

48391905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 48391905 is about 6956.4290408226. The cubic root of 48391905 is about 364.4105203161.

The spelling of 48391905 in words is "forty-eight million, three hundred ninety-one thousand, nine hundred five".