54816533 has 2 divisors, whose sum is σ = 54816534. Its totient is φ = 54816532.

The previous prime is 54816493. The next prime is 54816547. The reversal of 54816533 is 33561845.

54816533 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., 30393169 + 24423364 = 5513^2 + 4942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54816533 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 = 54816493 and 54816502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54816563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27408266 + 27408267.

It is an arithmetic number, because the mean of its divisors is an integer number (27408267).

Almost surely, 2^54816533 is an apocalyptic number.

It is an amenable number.

54816533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54816533 is an equidigital number, since it uses as much as digits as its factorization.

54816533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 54816533 is about 7403.8188119375. The cubic root of 54816533 is about 379.8719166667.

The spelling of 54816533 in words is "fifty-four million, eight hundred sixteen thousand, five hundred thirty-three".