56747 has 2 divisors, whose sum is σ = 56748. Its totient is φ = 56746.
The previous prime is 56737. The next prime is 56767. The reversal of 56747 is 74765.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 56747 - 24 = 56731 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is not a weakly prime, because it can be changed into another prime (56737) 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 as a sum of consecutive naturals, namely, 28373 + 28374.
It is an arithmetic number, because the mean of its divisors is an integer number (28374).
256747 is an apocalyptic number.
56747 is a deficient number, since it is larger than the sum of its proper divisors (1).
56747 is an equidigital number, since it uses as much as digits as its factorization.
56747 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5880, while the sum is 29.
The square root of 56747 is about 238.2162882760. The cubic root of 56747 is about 38.4279870481.
The spelling of 56747 in words is "fifty-six thousand, seven hundred forty-seven".
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