49821315 has 8 divisors (see below), whose sum is σ = 79714128. Its totient is φ = 26571360.

The previous prime is 49821313. The next prime is 49821329. The reversal of 49821315 is 51312894.

49821315 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 not a de Polignac number, because 49821315 - 2¹ = 49821313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49821313) 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, 1660696 + ... + 1660725.

It is an arithmetic number, because the mean of its divisors is an integer number (9964266).

Almost surely, 2^49821315 is an apocalyptic number.

49821315 is a deficient number, since it is larger than the sum of its proper divisors (29892813).

49821315 is a wasteful number, since it uses less digits than its factorization.

49821315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321429.

The product of its digits is 8640, while the sum is 33.

The square root of 49821315 is about 7058.4215657610. The cubic root of 49821315 is about 367.9637719338.

The spelling of 49821315 in words is "forty-nine million, eight hundred twenty-one thousand, three hundred fifteen".