50387915 has 16 divisors (see below), whose sum is σ = 64504512. Its totient is φ = 37653504.

The previous prime is 50387879. The next prime is 50387923. The reversal of 50387915 is 51978305.

50387915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50387915 - 2¹² = 50383819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9482 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (4031532).

Almost surely, 2^50387915 is an apocalyptic number.

50387915 is a deficient number, since it is larger than the sum of its proper divisors (14116597).

50387915 is a wasteful number, since it uses less digits than its factorization.

50387915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 50387915 is about 7098.4445479274. Note that the first 3 decimals coincide. The cubic root of 50387915 is about 369.3534239666.

The spelling of 50387915 in words is "fifty million, three hundred eighty-seven thousand, nine hundred fifteen".