552216761 has 2 divisors, whose sum is σ = 552216762. Its totient is φ = 552216760.

The previous prime is 552216737. The next prime is 552216773. The reversal of 552216761 is 167612255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456078736 + 96138025 = 21356^2 + 9805^2 .

It is a cyclic number.

It is not a de Polignac number, because 552216761 - 2⁶ = 552216697 is a prime.

It is a super-2 number, since 2×552216761² = 609886702258662242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (552212761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276108380 + 276108381.

It is an arithmetic number, because the mean of its divisors is an integer number (276108381).

Almost surely, 2^552216761 is an apocalyptic number.

It is an amenable number.

552216761 is a deficient number, since it is larger than the sum of its proper divisors (1).

552216761 is an equidigital number, since it uses as much as digits as its factorization.

552216761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 552216761 is about 23499.2927765922. The cubic root of 552216761 is about 820.4205462285.

The spelling of 552216761 in words is "five hundred fifty-two million, two hundred sixteen thousand, seven hundred sixty-one".