49378081 has 8 divisors (see below), whose sum is σ = 52945920. Its totient is φ = 45883968.

The previous prime is 49378073. The next prime is 49378099. The reversal of 49378081 is 18087394.

49378081 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 a cyclic number.

It is not a de Polignac number, because 49378081 - 2³ = 49378073 is a prime.

It is a super-2 number, since 2×49378081² = 4876389766485122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49378031) 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 in 7 ways as a sum of consecutive naturals, for example, 17041 + ... + 19726.

It is an arithmetic number, because the mean of its divisors is an integer number (6618240).

Almost surely, 2^49378081 is an apocalyptic number.

It is an amenable number.

49378081 is a deficient number, since it is larger than the sum of its proper divisors (3567839).

49378081 is a wasteful number, since it uses less digits than its factorization.

49378081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36863.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 49378081 is about 7026.9538919791. The cubic root of 49378081 is about 366.8693266267.

The spelling of 49378081 in words is "forty-nine million, three hundred seventy-eight thousand, eighty-one".