5218553383550 has 48 divisors (see below), whose sum is σ = 10545669877680. Its totient is φ = 1909798679040.

The previous prime is 5218553383541. The next prime is 5218553383553. The reversal of 5218553383550 is 553833558125.

It is a super-2 number, since 2×5218553383550² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5218553383492 and 5218553383501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218553383553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35451080 + ... + 35597979.

It is an arithmetic number, because the mean of its divisors is an integer number (219701455785).

Almost surely, 2^{5218553383550} is an apocalyptic number.

5218553383550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5218553383550 is an abundant number, since it is smaller than the sum of its proper divisors (5327116494130).

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

5218553383550 is a wasteful number, since it uses less digits than its factorization.

5218553383550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71049197 (or 71049192 counting only the distinct ones).

The product of its (nonzero) digits is 10800000, while the sum is 53.

The spelling of 5218553383550 in words is "five trillion, two hundred eighteen billion, five hundred fifty-three million, three hundred eighty-three thousand, five hundred fifty".