53250848640 has 768 divisors, whose sum is σ = 210888100800. Its totient is φ = 12262440960.

The previous prime is 53250848639. The next prime is 53250848683. The reversal of 53250848640 is 4684805235.

53250848640 is a `hidden beast` number, since 532 + 50 + 8 + 4 + 8 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134132922 + ... + 134133318.

Almost surely, 2^53250848640 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 53250848640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105444050400).

53250848640 is an abundant number, since it is smaller than the sum of its proper divisors (157637252160).

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

53250848640 is a wasteful number, since it uses less digits than its factorization.

53250848640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 53250848640 in words is "fifty-three billion, two hundred fifty million, eight hundred forty-eight thousand, six hundred forty".