550564641333 has 48 divisors (see below), whose sum is σ = 913102834176. Its totient is φ = 313144565760.

The previous prime is 550564641329. The next prime is 550564641349. The reversal of 550564641333 is 333146465055.

550564641333 is a `hidden beast` number, since 5 + 5 + 0 + 56 + 464 + 133 + 3 = 666.

It is not a de Polignac number, because 550564641333 - 2² = 550564641329 is a prime.

It is a super-2 number, since 2×550564641333² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550564641313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22347460 + ... + 22372082.

It is an arithmetic number, because the mean of its divisors is an integer number (19022975712).

Almost surely, 2^550564641333 is an apocalyptic number.

It is an amenable number.

550564641333 is a deficient number, since it is larger than the sum of its proper divisors (362538192843).

550564641333 is a wasteful number, since it uses less digits than its factorization.

550564641333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26274 (or 26271 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 550564641333 in words is "five hundred fifty billion, five hundred sixty-four million, six hundred forty-one thousand, three hundred thirty-three".