57748 has 6 divisors (see below), whose sum is σ = 101066. Its totient is φ = 28872.
The previous prime is 57737. The next prime is 57751. The reversal of 57748 is 84775.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 49284 + 8464 = 222^2 + 92^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215 + ... + 7222.
257748 is an apocalyptic number.
It is an amenable number.
57748 is a deficient number, since it is larger than the sum of its proper divisors (43318).
57748 is a wasteful number, since it uses less digits than its factorization.
57748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14441 (or 14439 counting only the distinct ones).
The product of its digits is 7840, while the sum is 31.
The square root of 57748 is about 240.3081355260. The cubic root of 57748 is about 38.6526240459.
It can be divided in two parts, 577 and 48, that added together give a 4-th power (625 = 54).
The spelling of 57748 in words is "fifty-seven thousand, seven hundred forty-eight".
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