53443032740000 has 60 divisors (see below), whose sum is σ = 131477877044514. Its totient is φ = 21377213088000.

The previous prime is 53443032739981. The next prime is 53443032740003. The reversal of 53443032740000 is 4723034435.

It can be written as a sum of positive squares in 5 ways, for example, as 268543676944 + 53174489063056 = 518212^2 + 7292084^2 .

It is not an unprimeable number, because it can be changed into a prime (53443032740003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1336055819 + ... + 1336095818.

Almost surely, 2^{53443032740000} is an apocalyptic number.

53443032740000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53443032740000 is an abundant number, since it is smaller than the sum of its proper divisors (78034844304514).

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

53443032740000 is an equidigital number, since it uses as much as digits as its factorization.

53443032740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672151667 (or 2672151644 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 35.

Adding to 53443032740000 its reverse (4723034435), we get a palindrome (53447755774435).

The spelling of 53443032740000 in words is "fifty-three trillion, four hundred forty-three billion, thirty-two million, seven hundred forty thousand".