53252420550 has 96 divisors (see below), whose sum is σ = 151052808192. Its totient is φ = 12162286080.

The previous prime is 53252420539. The next prime is 53252420569. The reversal of 53252420550 is 5502425235.

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 47 ways as a sum of consecutive naturals, for example, 1342299 + ... + 1381401.

It is an arithmetic number, because the mean of its divisors is an integer number (1573466752).

Almost surely, 2^53252420550 is an apocalyptic number.

53252420550 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 53252420550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75526404096).

53252420550 is an abundant number, since it is smaller than the sum of its proper divisors (97800387642).

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

53252420550 is a wasteful number, since it uses less digits than its factorization.

53252420550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40422 (or 40417 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 53252420550 its reverse (5502425235), we get a palindrome (58754845785).

The spelling of 53252420550 in words is "fifty-three billion, two hundred fifty-two million, four hundred twenty thousand, five hundred fifty".