57016 has 8 divisors (see below), whose sum is σ = 106920. Its totient is φ = 28504.
The previous prime is 56999. The next prime is 57037. The reversal of 57016 is 61075.
It is a tau number, because it is divible by the number of its divisors (8).
It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.
It is a zygodrome in base 6.
It is a junction number, because it is equal to n+sod(n) for n = 56984 and 57002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556 + ... + 3571.
It is an arithmetic number, because the mean of its divisors is an integer number (13365).
257016 is an apocalyptic number.
It is an amenable number.
57016 is a deficient number, since it is larger than the sum of its proper divisors (49904).
57016 is a wasteful number, since it uses less digits than its factorization.
57016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7133 (or 7129 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 57016 is about 238.7802336878. The cubic root of 57016 is about 38.4886119126.
It can be divided in two parts, 5 and 7016, that added together give a triangular number (7021 = T118).
The spelling of 57016 in words is "fifty-seven thousand, sixteen".
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