52220055550 has 24 divisors (see below), whose sum is σ = 104600789496. Its totient is φ = 19281251040.

The previous prime is 52220055521. The next prime is 52220055599. The reversal of 52220055550 is 5555002225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40168624 + ... + 40169923.

It is an arithmetic number, because the mean of its divisors is an integer number (4358366229).

Almost surely, 2^52220055550 is an apocalyptic number.

52220055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52220055550 is an abundant number, since it is smaller than the sum of its proper divisors (52380733946).

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

52220055550 is a wasteful number, since it uses less digits than its factorization.

52220055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80338572 (or 80338567 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

Adding to 52220055550 its reverse (5555002225), we get a palindrome (57775057775).

The spelling of 52220055550 in words is "fifty-two billion, two hundred twenty million, fifty-five thousand, five hundred fifty".