550221441 has 48 divisors (see below), whose sum is σ = 935712000. Its totient is φ = 284380320.

The previous prime is 550221431. The next prime is 550221467. The reversal of 550221441 is 144122055.

It is not a de Polignac number, because 550221441 - 2⁶ = 550221377 is a prime.

It is a super-2 number, since 2×550221441² = 605487268272232962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550221431) 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 47 ways as a sum of consecutive naturals, for example, 366310 + ... + 367808.

It is an arithmetic number, because the mean of its divisors is an integer number (19494000).

Almost surely, 2^550221441 is an apocalyptic number.

It is an amenable number.

550221441 is a deficient number, since it is larger than the sum of its proper divisors (385490559).

550221441 is a wasteful number, since it uses less digits than its factorization.

550221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 550221441 is about 23456.7994619897. The cubic root of 550221441 is about 819.4312142235.

Adding to 550221441 its reverse (144122055), we get a palindrome (694343496).

The spelling of 550221441 in words is "five hundred fifty million, two hundred twenty-one thousand, four hundred forty-one".