49381215 has 32 divisors (see below), whose sum is σ = 86278080. Its totient is φ = 23970816.

The previous prime is 49381201. The next prime is 49381217. The reversal of 49381215 is 51218394.

It is not a de Polignac number, because 49381215 - 2⁵ = 49381183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49381217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12501 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (2696190).

Almost surely, 2^49381215 is an apocalyptic number.

49381215 is a deficient number, since it is larger than the sum of its proper divisors (36896865).

49381215 is a wasteful number, since it uses less digits than its factorization.

49381215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563.

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

The square root of 49381215 is about 7027.1768869155. The cubic root of 49381215 is about 366.8770881282.

The spelling of 49381215 in words is "forty-nine million, three hundred eighty-one thousand, two hundred fifteen".