204553520055299 has 8 divisors (see below), whose sum is σ = 205697323325520. Its totient is φ = 203409728409600.

The previous prime is 204553520055263. The next prime is 204553520055341. The reversal of 204553520055299 is 992550025355402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204553520055299 is a prime.

It is a super-2 number, since 2×204553520055299² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204553520055499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33669059 + ... + 39277379.

It is an arithmetic number, because the mean of its divisors is an integer number (25712165415690).

Almost surely, 2^{204553520055299} is an apocalyptic number.

204553520055299 is a deficient number, since it is larger than the sum of its proper divisors (1143803270221).

204553520055299 is a wasteful number, since it uses less digits than its factorization.

204553520055299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812261.

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 204553520055299 in words is "two hundred four trillion, five hundred fifty-three billion, five hundred twenty million, fifty-five thousand, two hundred ninety-nine".