55073 has 2 divisors, whose sum is σ = 55074. Its totient is φ = 55072.

The previous prime is 55061. The next prime is 55079. The reversal of 55073 is 37055.

55073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54289 + 784 = 233^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 55073 - 2⁴ = 55057 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (55079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27536 + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (27537).

2⁵⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

55073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55073 is an equidigital number, since it uses as much as digits as its factorization.

55073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 55073 is about 234.6763729053. The cubic root of 55073 is about 38.0463423528.

The spelling of 55073 in words is "fifty-five thousand, seventy-three".