50998 has 8 divisors (see below), whose sum is σ = 78408.
Its totient is φ = 24864.
The previous prime is 50993. The next prime is 51001. The reversal of 50998 is 89905.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50993) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211 + ... + 382.
It is an arithmetic number, because the mean of its divisors is an integer number (9801).
250998 is an apocalyptic number.
50998 is a deficient number, since it is larger than the sum of its proper divisors (27410).
50998 is a wasteful number, since it uses less digits than its factorization.
50998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 638.
The product of its (nonzero) digits is 3240, while the sum is 31.
The square root of 50998 is about 225.8273676949.
The cubic root of 50998 is about 37.0838129243.
The spelling of 50998 in words is "fifty thousand, nine hundred ninety-eight".