55244773 has 2 divisors, whose sum is σ = 55244774. Its totient is φ = 55244772.

The previous prime is 55244741. The next prime is 55244801. The reversal of 55244773 is 37744255.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40360609 + 14884164 = 6353^2 + 3858^2 .

It is a cyclic number.

It is not a de Polignac number, because 55244773 - 2⁵ = 55244741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55248773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27622386 + 27622387.

It is an arithmetic number, because the mean of its divisors is an integer number (27622387).

Almost surely, 2^55244773 is an apocalyptic number.

It is an amenable number.

55244773 is a deficient number, since it is larger than the sum of its proper divisors (1).

55244773 is an equidigital number, since it uses as much as digits as its factorization.

55244773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 37.

The square root of 55244773 is about 7432.6827592734. The cubic root of 55244773 is about 380.8585688527.

The spelling of 55244773 in words is "fifty-five million, two hundred forty-four thousand, seven hundred seventy-three".