550930001669 has 4 divisors (see below), whose sum is σ = 583337648844. Its totient is φ = 518522354496.

The previous prime is 550930001653. The next prime is 550930001711. The reversal of 550930001669 is 966100039055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247178008900 + 303751992769 = 497170^2 + 551137^2 .

It is a cyclic number.

It is not a de Polignac number, because 550930001669 - 2⁴ = 550930001653 is a prime.

It is a super-2 number, since 2×550930001669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550930001269) 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, 16203823562 + ... + 16203823595.

It is an arithmetic number, because the mean of its divisors is an integer number (145834412211).

Almost surely, 2^550930001669 is an apocalyptic number.

It is an amenable number.

550930001669 is a deficient number, since it is larger than the sum of its proper divisors (32407647175).

550930001669 is a wasteful number, since it uses less digits than its factorization.

550930001669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32407647174.

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 550930001669 in words is "five hundred fifty billion, nine hundred thirty million, one thousand, six hundred sixty-nine".