53303055450 has 192 divisors, whose sum is σ = 146819174400. Its totient is φ = 12729277440.

The previous prime is 53303055437. The next prime is 53303055451. The reversal of 53303055450 is 5455030335.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53303055451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11669067 + ... + 11673633.

It is an arithmetic number, because the mean of its divisors is an integer number (764683200).

Almost surely, 2^53303055450 is an apocalyptic number.

53303055450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53303055450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73409587200).

53303055450 is an abundant number, since it is smaller than the sum of its proper divisors (93516118950).

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

53303055450 is a wasteful number, since it uses less digits than its factorization.

53303055450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821 (or 4816 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 33.

Adding to 53303055450 its reverse (5455030335), we get a palindrome (58758085785).

The spelling of 53303055450 in words is "fifty-three billion, three hundred three million, fifty-five thousand, four hundred fifty".