553217921281 has 8 divisors (see below), whose sum is σ = 582790697280. Its totient is φ = 523690749648.

The previous prime is 553217921177. The next prime is 553217921299. The reversal of 553217921281 is 182129712355.

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

It is a cyclic number.

It is not a de Polignac number, because 553217921281 - 2³¹ = 551070437633 is a prime.

It is a super-2 number, since 2×553217921281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553217321281) 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, 11376181 + ... + 11424706.

It is an arithmetic number, because the mean of its divisors is an integer number (72848837160).

Almost surely, 2^553217921281 is an apocalyptic number.

It is an amenable number.

553217921281 is a deficient number, since it is larger than the sum of its proper divisors (29572775999).

553217921281 is a wasteful number, since it uses less digits than its factorization.

553217921281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22802183.

The product of its digits is 302400, while the sum is 46.

The spelling of 553217921281 in words is "five hundred fifty-three billion, two hundred seventeen million, nine hundred twenty-one thousand, two hundred eighty-one".