550437728 has 24 divisors (see below), whose sum is σ = 1084203792. Its totient is φ = 275084416.

The previous prime is 550437707. The next prime is 550437749. The reversal of 550437728 is 827734055.

It is an interprime number because it is at equal distance from previous prime (550437707) and next prime (550437749).

It is a super-3 number, since 3×550437728³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110426 + ... + 115302.

It is an arithmetic number, because the mean of its divisors is an integer number (45175158).

Almost surely, 2^550437728 is an apocalyptic number.

It is an amenable number.

550437728 is a deficient number, since it is larger than the sum of its proper divisors (533766064).

550437728 is a wasteful number, since it uses less digits than its factorization.

550437728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414 (or 8406 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 550437728 is about 23461.4093353319. The cubic root of 550437728 is about 819.5385704550.

The spelling of 550437728 in words is "five hundred fifty million, four hundred thirty-seven thousand, seven hundred twenty-eight".