50915 has 8 divisors (see below), whose sum is σ = 64800. Its totient is φ = 38272.
The previous prime is 50909. The next prime is 50923. The reversal of 50915 is 51905.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 50915 - 210 = 49891 is a prime.
It is an Ulam number.
It is a plaindrome in base 12 and base 14.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 384.
It is an arithmetic number, because the mean of its divisors is an integer number (8100).
250915 is an apocalyptic number.
50915 is a deficient number, since it is larger than the sum of its proper divisors (13885).
50915 is a wasteful number, since it uses less digits than its factorization.
50915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621.
The product of its (nonzero) digits is 225, while the sum is 20.
The square root of 50915 is about 225.6435241703. The cubic root of 50915 is about 37.0636838487.
Subtracting 50915 from its reverse (51905), we obtain a triangular number (990 = T44).
The spelling of 50915 in words is "fifty thousand, nine hundred fifteen".
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