54631 has 2 divisors, whose sum is σ = 54632. Its totient is φ = 54630.
The previous prime is 54629. The next prime is 54647. The reversal of 54631 is 13645.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 54631 - 21 = 54629 is a prime.
It is a super-2 number, since 2×546312 = 5969092322, which contains 22 as substring.
Together with 54629, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 54599 and 54608.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27315 + 27316.
It is an arithmetic number, because the mean of its divisors is an integer number (27316).
254631 is an apocalyptic number.
54631 is a deficient number, since it is larger than the sum of its proper divisors (1).
54631 is an equidigital number, since it uses as much as digits as its factorization.
54631 is an evil number, because the sum of its binary digits is even.
The product of its digits is 360, while the sum is 19.
The square root of 54631 is about 233.7327533744. The cubic root of 54631 is about 37.9442858517.
The spelling of 54631 in words is "fifty-four thousand, six hundred thirty-one".
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