550001289 has 8 divisors (see below), whose sum is σ = 776472480. Its totient is φ = 345098816.

The previous prime is 550001267. The next prime is 550001297. The reversal of 550001289 is 982100055.

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 550001289 - 2¹⁵ = 549968521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550001209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5392119 + ... + 5392220.

It is an arithmetic number, because the mean of its divisors is an integer number (97059060).

Almost surely, 2^550001289 is an apocalyptic number.

It is an amenable number.

550001289 is a deficient number, since it is larger than the sum of its proper divisors (226471191).

550001289 is a wasteful number, since it uses less digits than its factorization.

550001289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10784359.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 550001289 is about 23452.1062806734. The cubic root of 550001289 is about 819.3219106639.

The spelling of 550001289 in words is "five hundred fifty million, one thousand, two hundred eighty-nine".