550334561 has 16 divisors (see below), whose sum is σ = 642908160. Its totient is φ = 461356560.

The previous prime is 550334549. The next prime is 550334567. The reversal of 550334561 is 165433055.

It is a de Polignac number, because none of the positive numbers 2^k-550334561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550334567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58760 + ... + 67478.

It is an arithmetic number, because the mean of its divisors is an integer number (40181760).

Almost surely, 2^550334561 is an apocalyptic number.

It is an amenable number.

550334561 is a deficient number, since it is larger than the sum of its proper divisors (92573599).

550334561 is a wasteful number, since it uses less digits than its factorization.

550334561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 550334561 is about 23459.2105792160. The cubic root of 550334561 is about 819.4873659837.

The spelling of 550334561 in words is "five hundred fifty million, three hundred thirty-four thousand, five hundred sixty-one".