49986615 has 48 divisors (see below), whose sum is σ = 95081472. Its totient is φ = 22349376.

The previous prime is 49986581. The next prime is 49986619. The reversal of 49986615 is 51668994.

It is not a de Polignac number, because 49986615 - 2⁷ = 49986487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49986619) 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 47 ways as a sum of consecutive naturals, for example, 33822 + ... + 35268.

It is an arithmetic number, because the mean of its divisors is an integer number (1980864).

Almost surely, 2^49986615 is an apocalyptic number.

49986615 is a deficient number, since it is larger than the sum of its proper divisors (45094857).

49986615 is a wasteful number, since it uses less digits than its factorization.

49986615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1509 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 49986615 is about 7070.1212860884. The cubic root of 49986615 is about 368.3702730891.

The spelling of 49986615 in words is "forty-nine million, nine hundred eighty-six thousand, six hundred fifteen".