550530305 has 16 divisors (see below), whose sum is σ = 713316240. Its totient is φ = 405481728.

The previous prime is 550530293. The next prime is 550530311. The reversal of 550530305 is 503035055.

It can be written as a sum of positive squares in 8 ways, for example, as 180660481 + 369869824 = 13441^2 + 19232^2 .

It is a cyclic number.

It is not a de Polignac number, because 550530305 - 2¹² = 550526209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14399 + ... + 36171.

It is an arithmetic number, because the mean of its divisors is an integer number (44582265).

Almost surely, 2^550530305 is an apocalyptic number.

It is an amenable number.

550530305 is a deficient number, since it is larger than the sum of its proper divisors (162785935).

550530305 is a wasteful number, since it uses less digits than its factorization.

550530305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22180.

The product of its (nonzero) digits is 5625, while the sum is 26.

The square root of 550530305 is about 23463.3822156994. The cubic root of 550530305 is about 819.5845133869.

The spelling of 550530305 in words is "five hundred fifty million, five hundred thirty thousand, three hundred five".