550423001252 has 12 divisors (see below), whose sum is σ = 963256208460. Its totient is φ = 275206941696.

The previous prime is 550423001221. The next prime is 550423001279. The reversal of 550423001252 is 252100324055.

It can be written as a sum of positive squares in 2 ways, for example, as 372595484836 + 177827516416 = 610406^2 + 421696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860477 + ... + 1356932.

It is an arithmetic number, because the mean of its divisors is an integer number (80271350705).

Almost surely, 2^550423001252 is an apocalyptic number.

It is an amenable number.

550423001252 is a deficient number, since it is larger than the sum of its proper divisors (412833207208).

550423001252 is a wasteful number, since it uses less digits than its factorization.

550423001252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279470 (or 2279468 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 550423001252 in words is "five hundred fifty billion, four hundred twenty-three million, one thousand, two hundred fifty-two".