550644450624412 has 12 divisors (see below), whose sum is σ = 964790186413480. Its totient is φ = 274990111649136.

The previous prime is 550644450624409. The next prime is 550644450624413. The reversal of 550644450624412 is 214426054446055.

It is a happy number.

It is a super-2 number, since 2×550644450624412² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550644450624412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550644450624413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83028412038 + ... + 83028418669.

Almost surely, 2^{550644450624412} is an apocalyptic number.

It is an amenable number.

550644450624412 is a deficient number, since it is larger than the sum of its proper divisors (414145735789068).

550644450624412 is a wasteful number, since it uses less digits than its factorization.

550644450624412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166056831540 (or 166056831538 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 52.

The spelling of 550644450624412 in words is "five hundred fifty trillion, six hundred forty-four billion, four hundred fifty million, six hundred twenty-four thousand, four hundred twelve".