5221322432550 has 144 divisors (see below), whose sum is σ = 16373051914752. Its totient is φ = 1168052644800.

The previous prime is 5221322432549. The next prime is 5221322432551. The reversal of 5221322432550 is 552342231225.

It is a happy number.

5221322432550 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 322 + 4 + 325 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5221322432549) and next prime (5221322432551).

It is a super-3 number, since 3×5221322432550³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221322432551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17485596 + ... + 17781695.

It is an arithmetic number, because the mean of its divisors is an integer number (113701749408).

Almost surely, 2^{5221322432550} is an apocalyptic number.

5221322432550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5221322432550 is an abundant number, since it is smaller than the sum of its proper divisors (11151729482202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221322432550 is a wasteful number, since it uses less digits than its factorization.

5221322432550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35267363 (or 35267355 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 5221322432550 its reverse (552342231225), we get a palindrome (5773664663775).

The spelling of 5221322432550 in words is "five trillion, two hundred twenty-one billion, three hundred twenty-two million, four hundred thirty-two thousand, five hundred fifty".