550122125449 has 8 divisors (see below), whose sum is σ = 594229063232. Its totient is φ = 506270880720.

The previous prime is 550122125411. The next prime is 550122125477. The reversal of 550122125449 is 944521221055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550122125449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550122125489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63918789 + ... + 63927394.

It is an arithmetic number, because the mean of its divisors is an integer number (74278632904).

Almost surely, 2^550122125449 is an apocalyptic number.

It is an amenable number.

550122125449 is a deficient number, since it is larger than the sum of its proper divisors (44106937783).

550122125449 is a wasteful number, since it uses less digits than its factorization.

550122125449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127846527.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 550122125449 in words is "five hundred fifty billion, one hundred twenty-two million, one hundred twenty-five thousand, four hundred forty-nine".