54578243 has 2 divisors, whose sum is σ = 54578244. Its totient is φ = 54578242.

The previous prime is 54578221. The next prime is 54578263. The reversal of 54578243 is 34287545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54578243 - 2⁶ = 54578179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54578197 and 54578206.

It is not a weakly prime, because it can be changed into another prime (54578263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27289121 + 27289122.

It is an arithmetic number, because the mean of its divisors is an integer number (27289122).

Almost surely, 2^54578243 is an apocalyptic number.

54578243 is a deficient number, since it is larger than the sum of its proper divisors (1).

54578243 is an equidigital number, since it uses as much as digits as its factorization.

54578243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 38.

The square root of 54578243 is about 7387.7089141357. The cubic root of 54578243 is about 379.3206768846.

The spelling of 54578243 in words is "fifty-four million, five hundred seventy-eight thousand, two hundred forty-three".