5215220550 has 72 divisors (see below), whose sum is σ = 14189017440. Its totient is φ = 1373112000.

The previous prime is 5215220531. The next prime is 5215220561. The reversal of 5215220550 is 550225125.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37801 + ... + 108900.

Almost surely, 2^5215220550 is an apocalyptic number.

5215220550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5215220550 is an abundant number, since it is smaller than the sum of its proper divisors (8973796890).

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

5215220550 is a wasteful number, since it uses less digits than its factorization.

5215220550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146798 (or 146790 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 5215220550 is about 72216.4839216089. The cubic root of 5215220550 is about 1734.1669020352.

Adding to 5215220550 its reverse (550225125), we get a palindrome (5765445675).

The spelling of 5215220550 in words is "five billion, two hundred fifteen million, two hundred twenty thousand, five hundred fifty".