553005217 has 2 divisors, whose sum is σ = 553005218. Its totient is φ = 553005216.

The previous prime is 553005197. The next prime is 553005221. The reversal of 553005217 is 712500355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543076416 + 9928801 = 23304^2 + 3151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553005217 is a prime.

It is not a weakly prime, because it can be changed into another prime (553005247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276502608 + 276502609.

It is an arithmetic number, because the mean of its divisors is an integer number (276502609).

Almost surely, 2^553005217 is an apocalyptic number.

It is an amenable number.

553005217 is a deficient number, since it is larger than the sum of its proper divisors (1).

553005217 is an equidigital number, since it uses as much as digits as its factorization.

553005217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 553005217 is about 23516.0629570513. The cubic root of 553005217 is about 820.8108264751.

The spelling of 553005217 in words is "five hundred fifty-three million, five thousand, two hundred seventeen".