553217921177 has 2 divisors, whose sum is σ = 553217921178. Its totient is φ = 553217921176.

The previous prime is 553217921141. The next prime is 553217921299. The reversal of 553217921177 is 771129712355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539723846281 + 13494074896 = 734659^2 + 116164^2 .

It is a cyclic number.

It is not a de Polignac number, because 553217921177 - 2³² = 548922953881 is a prime.

It is a super-2 number, since 2×553217921177² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (553217911177) 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, 276608960588 + 276608960589.

It is an arithmetic number, because the mean of its divisors is an integer number (276608960589).

Almost surely, 2^553217921177 is an apocalyptic number.

It is an amenable number.

553217921177 is a deficient number, since it is larger than the sum of its proper divisors (1).

553217921177 is an equidigital number, since it uses as much as digits as its factorization.

553217921177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 926100, while the sum is 50.

The spelling of 553217921177 in words is "five hundred fifty-three billion, two hundred seventeen million, nine hundred twenty-one thousand, one hundred seventy-seven".