550400164529 has 2 divisors, whose sum is σ = 550400164530. Its totient is φ = 550400164528.

The previous prime is 550400164519. The next prime is 550400164541. The reversal of 550400164529 is 925461004055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473089474225 + 77310690304 = 687815^2 + 278048^2 .

It is a cyclic number.

It is not a de Polignac number, because 550400164529 - 2²⁰ = 550399115953 is a prime.

It is a super-2 number, since 2×550400164529² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550400164519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275200082264 + 275200082265.

It is an arithmetic number, because the mean of its divisors is an integer number (275200082265).

Almost surely, 2^550400164529 is an apocalyptic number.

It is an amenable number.

550400164529 is a deficient number, since it is larger than the sum of its proper divisors (1).

550400164529 is an equidigital number, since it uses as much as digits as its factorization.

550400164529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 550400164529 in words is "five hundred fifty billion, four hundred million, one hundred sixty-four thousand, five hundred twenty-nine".