54578273 has 2 divisors, whose sum is σ = 54578274. Its totient is φ = 54578272.

The previous prime is 54578263. The next prime is 54578299. The reversal of 54578273 is 37287545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53479969 + 1098304 = 7313^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 54578273 - 2¹⁴ = 54561889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54578273.

It is not a weakly prime, because it can be changed into another prime (54578243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27289136 + 27289137.

It is an arithmetic number, because the mean of its divisors is an integer number (27289137).

Almost surely, 2^54578273 is an apocalyptic number.

It is an amenable number.

54578273 is a deficient number, since it is larger than the sum of its proper divisors (1).

54578273 is an equidigital number, since it uses as much as digits as its factorization.

54578273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The square root of 54578273 is about 7387.7109445348. The cubic root of 54578273 is about 379.3207463849.

The spelling of 54578273 in words is "fifty-four million, five hundred seventy-eight thousand, two hundred seventy-three".