53032133421440 has 128 divisors (see below), whose sum is σ = 128741054253120. Its totient is φ = 20885535498240.

The previous prime is 53032133421439. The next prime is 53032133421451. The reversal of 53032133421440 is 4412433123035.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 53032133421440.

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 15 ways as a sum of consecutive naturals, for example, 32511422 + ... + 34103618.

Almost surely, 2^{53032133421440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53032133421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64370527126560).

53032133421440 is an abundant number, since it is smaller than the sum of its proper divisors (75708920831680).

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

53032133421440 is a wasteful number, since it uses less digits than its factorization.

53032133421440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593020 (or 1593008 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 53032133421440 its reverse (4412433123035), we get a palindrome (57444566544475).

The spelling of 53032133421440 in words is "fifty-three trillion, thirty-two billion, one hundred thirty-three million, four hundred twenty-one thousand, four hundred forty".