555681443 has 8 divisors (see below), whose sum is σ = 558152400. Its totient is φ = 553216608.

The previous prime is 555681421. The next prime is 555681461. The reversal of 555681443 is 344186555.

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 555681443 - 2¹⁴ = 555665059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555681443.

It is not an unprimeable number, because it can be changed into a prime (555681143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286505 + ... + 288437.

It is an arithmetic number, because the mean of its divisors is an integer number (69769050).

Almost surely, 2^555681443 is an apocalyptic number.

555681443 is a deficient number, since it is larger than the sum of its proper divisors (2470957).

555681443 is a wasteful number, since it uses less digits than its factorization.

555681443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061.

The product of its digits is 288000, while the sum is 41.

The square root of 555681443 is about 23572.8963642570. The cubic root of 555681443 is about 822.1327797811.

The spelling of 555681443 in words is "five hundred fifty-five million, six hundred eighty-one thousand, four hundred forty-three".