49911646 has 4 divisors (see below), whose sum is σ = 74867472. Its totient is φ = 24955822.

The previous prime is 49911611. The next prime is 49911649. The reversal of 49911646 is 64611994.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 49911599 and 49911608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49911649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12477910 + ... + 12477913.

It is an arithmetic number, because the mean of its divisors is an integer number (18716868).

Almost surely, 2^49911646 is an apocalyptic number.

49911646 is a deficient number, since it is larger than the sum of its proper divisors (24955826).

49911646 is a wasteful number, since it uses less digits than its factorization.

49911646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24955825.

The product of its digits is 46656, while the sum is 40.

The square root of 49911646 is about 7064.8174781802. The cubic root of 49911646 is about 368.1860226407.

The spelling of 49911646 in words is "forty-nine million, nine hundred eleven thousand, six hundred forty-six".