53265628640 has 96 divisors (see below), whose sum is σ = 144733708224. Its totient is φ = 18146119680.

The previous prime is 53265628639. The next prime is 53265628649. The reversal of 53265628640 is 4682656235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53265628649) by changing a digit.

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, 24380 + ... + 327300.

It is an arithmetic number, because the mean of its divisors is an integer number (1507642794).

Almost surely, 2^53265628640 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 53265628640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72366854112).

53265628640 is an abundant number, since it is smaller than the sum of its proper divisors (91468079584).

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

53265628640 is a wasteful number, since it uses less digits than its factorization.

53265628640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303100 (or 303092 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 53265628640 in words is "fifty-three billion, two hundred sixty-five million, six hundred twenty-eight thousand, six hundred forty".