54561233 has 2 divisors, whose sum is σ = 54561234. Its totient is φ = 54561232.

The previous prime is 54561229. The next prime is 54561257. The reversal of 54561233 is 33216545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 17497489 = 6088^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 54561233 - 2² = 54561229 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54561196 and 54561205.

It is not a weakly prime, because it can be changed into another prime (54561203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27280616 + 27280617.

It is an arithmetic number, because the mean of its divisors is an integer number (27280617).

Almost surely, 2^54561233 is an apocalyptic number.

It is an amenable number.

54561233 is a deficient number, since it is larger than the sum of its proper divisors (1).

54561233 is an equidigital number, since it uses as much as digits as its factorization.

54561233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 54561233 is about 7386.5575879431. The cubic root of 54561233 is about 379.2812660939.

Adding to 54561233 its reverse (33216545), we get a palindrome (87777778).

The spelling of 54561233 in words is "fifty-four million, five hundred sixty-one thousand, two hundred thirty-three".