53453440000 has 275 divisors, whose sum is σ = 141870857887. Its totient is φ = 20123648000.

The previous prime is 53453439989. The next prime is 53453440003. The reversal of 53453440000 is 4435435.

The square root of 53453440000 is 231200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 12 ways, for example, as 48569107456 + 4884332544 = 220384^2 + 69888^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=340.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53453440003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 3144319992 + ... + 3144320008.

Almost surely, 2^53453440000 is an apocalyptic number.

53453440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53453440000 is the 231200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53453440000

53453440000 is an abundant number, since it is smaller than the sum of its proper divisors (88417417887).

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

53453440000 is an frugal number, since it uses more digits than its factorization.

53453440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Multiplying 53453440000 by its product of nonzero digits (14400), we get a square (769729536000000 = 27744000²).

Adding to 53453440000 its reverse (4435435), we get a palindrome (53457875435).

The spelling of 53453440000 in words is "fifty-three billion, four hundred fifty-three million, four hundred forty thousand".