53425125440 has 112 divisors (see below), whose sum is σ = 130487220864. Its totient is φ = 20822323200.

The previous prime is 53425125427. The next prime is 53425125451. The reversal of 53425125440 is 4452152435.

It is a self number, because there is not a number n which added to its sum of digits gives 53425125440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12684935 + ... + 12689145.

It is an arithmetic number, because the mean of its divisors is an integer number (1165064472).

Almost surely, 2^53425125440 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 53425125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65243610432).

53425125440 is an abundant number, since it is smaller than the sum of its proper divisors (77062095424).

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

53425125440 is a wasteful number, since it uses less digits than its factorization.

53425125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 53425125440 its reverse (4452152435), we get a palindrome (57877277875).

The spelling of 53425125440 in words is "fifty-three billion, four hundred twenty-five million, one hundred twenty-five thousand, four hundred forty".