49538 has 16 divisors (see below), whose sum is σ = 82944. Its totient is φ = 22080.
The previous prime is 49537. The next prime is 49547. The reversal of 49538 is 83594.
It is a self number, because there is not a number n which added to its sum of digits gives 49538.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 1077.
It is an arithmetic number, because the mean of its divisors is an integer number (5184).
249538 is an apocalyptic number.
49538 is a deficient number, since it is larger than the sum of its proper divisors (33406).
49538 is a wasteful number, since it uses less digits than its factorization.
49538 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97.
The product of its digits is 4320, while the sum is 29.
The square root of 49538 is about 222.5713368788. The cubic root of 49538 is about 36.7264955291.
It can be divided in two parts, 49 and 538, that multiplied together give a palindrome (26362).
The spelling of 49538 in words is "forty-nine thousand, five hundred thirty-eight".
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