49378015 has 16 divisors (see below), whose sum is σ = 60410880. Its totient is φ = 38737440.

The previous prime is 49377997. The next prime is 49378019. The reversal of 49378015 is 51087394.

It is not a de Polignac number, because 49378015 - 2⁵ = 49377983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49378019) 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 in 15 ways as a sum of consecutive naturals, for example, 130096 + ... + 130474.

It is an arithmetic number, because the mean of its divisors is an integer number (3775680).

Almost surely, 2^49378015 is an apocalyptic number.

49378015 is a deficient number, since it is larger than the sum of its proper divisors (11032865).

49378015 is a wasteful number, since it uses less digits than its factorization.

49378015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 49378015 is about 7026.9491957748. The cubic root of 49378015 is about 366.8691631710.

The spelling of 49378015 in words is "forty-nine million, three hundred seventy-eight thousand, fifteen".