55530200565 has 128 divisors (see below), whose sum is σ = 119523840000. Its totient is φ = 23894777088.

The previous prime is 55530200507. The next prime is 55530200569. The reversal of 55530200565 is 56500203555.

55530200565 is a `hidden beast` number, since 55 + 530 + 20 + 0 + 56 + 5 = 666.

It is not a de Polignac number, because 55530200565 - 2⁹ = 55530200053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55530200569) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2809086 + ... + 2828784.

It is an arithmetic number, because the mean of its divisors is an integer number (933780000).

Almost surely, 2^55530200565 is an apocalyptic number.

It is an amenable number.

55530200565 is an abundant number, since it is smaller than the sum of its proper divisors (63993639435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55530200565 is a wasteful number, since it uses less digits than its factorization.

55530200565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19896 (or 19890 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 55530200565 in words is "fifty-five billion, five hundred thirty million, two hundred thousand, five hundred sixty-five".