49447912 has 8 divisors (see below), whose sum is σ = 92714850. Its totient is φ = 24723952.

The previous prime is 49447897. The next prime is 49447913. The reversal of 49447912 is 21974494.

49447912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 19131876 = 5506^2 + 4374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (49447913) 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 as a sum of consecutive naturals, namely, 3090487 + ... + 3090502.

Almost surely, 2^49447912 is an apocalyptic number.

It is an amenable number.

49447912 is a deficient number, since it is larger than the sum of its proper divisors (43266938).

49447912 is a wasteful number, since it uses less digits than its factorization.

49447912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180995 (or 6180991 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 49447912 is about 7031.9209324338. The cubic root of 49447912 is about 367.0421886476.

The spelling of 49447912 in words is "forty-nine million, four hundred forty-seven thousand, nine hundred twelve".