54709 has 2 divisors, whose sum is σ = 54710. Its totient is φ = 54708.

The previous prime is 54679. The next prime is 54713. The reversal of 54709 is 90745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44100 + 10609 = 210^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 54709 - 2⁷ = 54581 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27354 + 27355.

It is an arithmetic number, because the mean of its divisors is an integer number (27355).

2⁵⁴⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

54709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54709 is an equidigital number, since it uses as much as digits as its factorization.

54709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 54709 is about 233.8995510898. The cubic root of 54709 is about 37.9623357187.

The spelling of 54709 in words is "fifty-four thousand, seven hundred nine".