53241315440 has 40 divisors (see below), whose sum is σ = 123910402560. Its totient is φ = 21275133696.

The previous prime is 53241315341. The next prime is 53241315451. The reversal of 53241315440 is 4451314235.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 53241315397 and 53241315406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254000 + ... + 413519.

It is an arithmetic number, because the mean of its divisors is an integer number (3097760064).

Almost surely, 2^53241315440 is an apocalyptic number.

It is an amenable number.

53241315440 is an abundant number, since it is smaller than the sum of its proper divisors (70669087120).

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

53241315440 is a wasteful number, since it uses less digits than its factorization.

53241315440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668529 (or 668523 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 53241315440 its reverse (4451314235), we get a palindrome (57692629675).

The spelling of 53241315440 in words is "fifty-three billion, two hundred forty-one million, three hundred fifteen thousand, four hundred forty".