552217181 has 2 divisors, whose sum is σ = 552217182. Its totient is φ = 552217180.

The previous prime is 552217157. The next prime is 552217213. The reversal of 552217181 is 181712255.

It is an a-pointer prime, because the next prime (552217213) can be obtained adding 552217181 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497959225 + 54257956 = 22315^2 + 7366^2 .

It is a cyclic number.

It is not a de Polignac number, because 552217181 - 2¹⁸ = 551955037 is a prime.

It is a super-2 number, since 2×552217181² = 609887629983173522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552207181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276108590 + 276108591.

It is an arithmetic number, because the mean of its divisors is an integer number (276108591).

Almost surely, 2^552217181 is an apocalyptic number.

It is an amenable number.

552217181 is a deficient number, since it is larger than the sum of its proper divisors (1).

552217181 is an equidigital number, since it uses as much as digits as its factorization.

552217181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 32.

The square root of 552217181 is about 23499.3017130297. The cubic root of 552217181 is about 820.4207542245.

The spelling of 552217181 in words is "five hundred fifty-two million, two hundred seventeen thousand, one hundred eighty-one".