550000050569 has 2 divisors, whose sum is σ = 550000050570. Its totient is φ = 550000050568.

The previous prime is 550000050563. The next prime is 550000050581. The reversal of 550000050569 is 965050000055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463913556544 + 86086494025 = 681112^2 + 293405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550000050569 is a prime.

It is a super-2 number, since 2×550000050569² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550000050563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000025284 + 275000025285.

It is an arithmetic number, because the mean of its divisors is an integer number (275000025285).

Almost surely, 2^550000050569 is an apocalyptic number.

It is an amenable number.

550000050569 is a deficient number, since it is larger than the sum of its proper divisors (1).

550000050569 is an equidigital number, since it uses as much as digits as its factorization.

550000050569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 550000050569 in words is "five hundred fifty billion, fifty thousand, five hundred sixty-nine".