552547320161 has 2 divisors, whose sum is σ = 552547320162. Its totient is φ = 552547320160.

The previous prime is 552547320139. The next prime is 552547320179. The reversal of 552547320161 is 161023745255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531324366400 + 21222953761 = 728920^2 + 145681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552547320161 is a prime.

It is not a weakly prime, because it can be changed into another prime (552547020161) 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, 276273660080 + 276273660081.

It is an arithmetic number, because the mean of its divisors is an integer number (276273660081).

Almost surely, 2^552547320161 is an apocalyptic number.

It is an amenable number.

552547320161 is a deficient number, since it is larger than the sum of its proper divisors (1).

552547320161 is an equidigital number, since it uses as much as digits as its factorization.

552547320161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 552547320161 in words is "five hundred fifty-two billion, five hundred forty-seven million, three hundred twenty thousand, one hundred sixty-one".