553720881 has 8 divisors (see below), whose sum is σ = 843765184. Its totient is φ = 316411920.

The previous prime is 553720861. The next prime is 553720891. The reversal of 553720881 is 188027355.

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

It is not a de Polignac number, because 553720881 - 2¹⁰ = 553719857 is a prime.

It is a super-2 number, since 2×553720881² = 613213628110832322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553720861) 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, 13183810 + ... + 13183851.

It is an arithmetic number, because the mean of its divisors is an integer number (105470648).

Almost surely, 2^553720881 is an apocalyptic number.

It is an amenable number.

553720881 is a deficient number, since it is larger than the sum of its proper divisors (290044303).

553720881 is a wasteful number, since it uses less digits than its factorization.

553720881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26367671.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 553720881 is about 23531.2745298677. The cubic root of 553720881 is about 821.1647541421.

The spelling of 553720881 in words is "five hundred fifty-three million, seven hundred twenty thousand, eight hundred eighty-one".