55530200569 has 2 divisors, whose sum is σ = 55530200570. Its totient is φ = 55530200568.

The previous prime is 55530200507. The next prime is 55530200597. The reversal of 55530200569 is 96500203555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37563478969 + 17966721600 = 193813^2 + 134040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55530200569 is a prime.

It is a super-2 number, since 2×55530200569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55530200269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765100284 + 27765100285.

It is an arithmetic number, because the mean of its divisors is an integer number (27765100285).

Almost surely, 2^55530200569 is an apocalyptic number.

It is an amenable number.

55530200569 is a deficient number, since it is larger than the sum of its proper divisors (1).

55530200569 is an equidigital number, since it uses as much as digits as its factorization.

55530200569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 55530200569 in words is "fifty-five billion, five hundred thirty million, two hundred thousand, five hundred sixty-nine".