49945215 has 16 divisors (see below), whose sum is σ = 80690688. Its totient is φ = 26378016.

The previous prime is 49945187. The next prime is 49945223. The reversal of 49945215 is 51254994.

It is not a de Polignac number, because 49945215 - 2⁶ = 49945151 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 14619 + ... + 17708.

It is an arithmetic number, because the mean of its divisors is an integer number (5043168).

Almost surely, 2^49945215 is an apocalyptic number.

49945215 is a deficient number, since it is larger than the sum of its proper divisors (30745473).

49945215 is a wasteful number, since it uses less digits than its factorization.

49945215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32438.

The product of its digits is 64800, while the sum is 39.

The square root of 49945215 is about 7067.1928656292. The cubic root of 49945215 is about 368.2685475804.

The spelling of 49945215 in words is "forty-nine million, nine hundred forty-five thousand, two hundred fifteen".