48997 has 4 divisors (see below), whose sum is σ = 52780.
Its totient is φ = 45216.
The previous prime is 48991. The next prime is 49003. The reversal of 48997 is 79984.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (48991) and next prime (49003).
It can be written as a sum of positive squares in 2 ways, for example, as 23716 + 25281 = 154^2 + 159^2
It is a cyclic number.
It is not a de Polignac number, because 48997 - 23 = 48989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872 + ... + 1897.
It is an arithmetic number, because the mean of its divisors is an integer number (13195).
248997 is an apocalyptic number.
It is an amenable number.
48997 is a deficient number, since it is larger than the sum of its proper divisors (3783).
48997 is a wasteful number, since it uses less digits than its factorization.
48997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3782.
The product of its digits is 18144, while the sum is 37.
The square root of 48997 is about 221.3526597988.
The cubic root of 48997 is about 36.5923102879.
The spelling of 48997 in words is "forty-eight thousand, nine hundred ninety-seven".