55667 has 2 divisors, whose sum is σ = 55668. Its totient is φ = 55666.
The previous prime is 55663. The next prime is 55673. The reversal of 55667 is 76655.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 55667 - 22 = 55663 is a prime.
It is a Chen prime.
It is a plaindrome in base 10.
It is a nialpdrome in base 9 and base 16.
It is not a weakly prime, because it can be changed into another prime (55661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27833 + 27834.
It is an arithmetic number, because the mean of its divisors is an integer number (27834).
255667 is an apocalyptic number.
55667 is a deficient number, since it is larger than the sum of its proper divisors (1).
55667 is an equidigital number, since it uses as much as digits as its factorization.
55667 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6300, while the sum is 29.
The square root of 55667 is about 235.9385513222. The cubic root of 55667 is about 38.1826387854.
Adding to 55667 its sum of digits (29), we get a square (55696 = 2362).
The spelling of 55667 in words is "fifty-five thousand, six hundred sixty-seven".
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