55344533 has 2 divisors, whose sum is σ = 55344534. Its totient is φ = 55344532.

The previous prime is 55344493. The next prime is 55344539. The reversal of 55344533 is 33544355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53333809 + 2010724 = 7303^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 55344533 - 2⁸ = 55344277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55344533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55344539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672266 + 27672267.

It is an arithmetic number, because the mean of its divisors is an integer number (27672267).

Almost surely, 2^55344533 is an apocalyptic number.

It is an amenable number.

55344533 is a deficient number, since it is larger than the sum of its proper divisors (1).

55344533 is an equidigital number, since it uses as much as digits as its factorization.

55344533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 32.

The square root of 55344533 is about 7439.3906336474. The cubic root of 55344533 is about 381.0876801440.

Adding to 55344533 its reverse (33544355), we get a palindrome (88888888).

The spelling of 55344533 in words is "fifty-five million, three hundred forty-four thousand, five hundred thirty-three".