220450553 has 2 divisors, whose sum is σ = 220450554. Its totient is φ = 220450552.

The previous prime is 220450541. The next prime is 220450567. The reversal of 220450553 is 355054022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180848704 + 39601849 = 13448^2 + 6293^2 .

It is a cyclic number.

It is not a de Polignac number, because 220450553 - 2⁸ = 220450297 is a prime.

It is not a weakly prime, because it can be changed into another prime (220450513) 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, 110225276 + 110225277.

It is an arithmetic number, because the mean of its divisors is an integer number (110225277).

Almost surely, 2^220450553 is an apocalyptic number.

It is an amenable number.

220450553 is a deficient number, since it is larger than the sum of its proper divisors (1).

220450553 is an equidigital number, since it uses as much as digits as its factorization.

220450553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 220450553 is about 14847.5773444694. The cubic root of 220450553 is about 604.0928992160.

The spelling of 220450553 in words is "two hundred twenty million, four hundred fifty thousand, five hundred fifty-three".