49219816 has 32 divisors (see below), whose sum is σ = 99417600. Its totient is φ = 22777920.

The previous prime is 49219813. The next prime is 49219817. The reversal of 49219816 is 61891294.

49219816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (49219813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390 + ... + 10018.

It is an arithmetic number, because the mean of its divisors is an integer number (3106800).

Almost surely, 2^49219816 is an apocalyptic number.

49219816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

49219816 is an abundant number, since it is smaller than the sum of its proper divisors (50197784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49219816 is a wasteful number, since it uses less digits than its factorization.

49219816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689 (or 8685 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 49219816 is about 7015.6835732521. The cubic root of 49219816 is about 366.4769479510.

The spelling of 49219816 in words is "forty-nine million, two hundred nineteen thousand, eight hundred sixteen".