53030305055550 has 48 divisors (see below), whose sum is σ = 139251342223152. Its totient is φ = 13309566758400.

The previous prime is 53030305055543. The next prime is 53030305055551. The reversal of 53030305055550 is 5555050303035.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53030305055499 and 53030305055508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53030305055551) 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, 10398096481 + ... + 10398101580.

It is an arithmetic number, because the mean of its divisors is an integer number (2901069629649).

Almost surely, 2^{53030305055550} is an apocalyptic number.

53030305055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53030305055550 is an abundant number, since it is smaller than the sum of its proper divisors (86221037167602).

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

53030305055550 is a wasteful number, since it uses less digits than its factorization.

53030305055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20796198093 (or 20796198088 counting only the distinct ones).

The product of its (nonzero) digits is 421875, while the sum is 39.

Adding to 53030305055550 its reverse (5555050303035), we get a palindrome (58585355358585).

The spelling of 53030305055550 in words is "fifty-three trillion, thirty billion, three hundred five million, fifty-five thousand, five hundred fifty".