550405523225 has 12 divisors (see below), whose sum is σ = 682524440640. Its totient is φ = 440310488400.

The previous prime is 550405523201. The next prime is 550405523257. The reversal of 550405523225 is 522325504055.

It is not a de Polignac number, because 550405523225 - 2²⁴ = 550388746009 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498116 + ... + 1161434.

It is an arithmetic number, because the mean of its divisors is an integer number (56877036720).

Almost surely, 2^550405523225 is an apocalyptic number.

It is an amenable number.

550405523225 is a deficient number, since it is larger than the sum of its proper divisors (132118917415).

550405523225 is a wasteful number, since it uses less digits than its factorization.

550405523225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696520 (or 696515 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 550405523225 in words is "five hundred fifty billion, four hundred five million, five hundred twenty-three thousand, two hundred twenty-five".