53211281260440 has 64 divisors (see below), whose sum is σ = 161882207804160. Its totient is φ = 13989820423040.

The previous prime is 53211281260439. The next prime is 53211281260441. The reversal of 53211281260440 is 4406218211235.

53211281260440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53211281260439) and next prime (53211281260441).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53211281260441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122719254 + ... + 3122736293.

It is an arithmetic number, because the mean of its divisors is an integer number (2529409496940).

Almost surely, 2^{53211281260440} is an apocalyptic number.

It is an amenable number.

53211281260440 is an abundant number, since it is smaller than the sum of its proper divisors (108670926543720).

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

53211281260440 is a wasteful number, since it uses less digits than its factorization.

53211281260440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245455632 (or 6245455628 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

Adding to 53211281260440 its reverse (4406218211235), we get a palindrome (57617499471675).

The spelling of 53211281260440 in words is "fifty-three trillion, two hundred eleven billion, two hundred eighty-one million, two hundred sixty thousand, four hundred forty".