53922560640 has 512 divisors, whose sum is σ = 192537354240. Its totient is φ = 12746833920.

The previous prime is 53922560623. The next prime is 53922560663. The reversal of 53922560640 is 4606522935.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53922560592 and 53922560601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175643367 + ... + 175643673.

It is an arithmetic number, because the mean of its divisors is an integer number (376049520).

Almost surely, 2^53922560640 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 53922560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96268677120).

53922560640 is an abundant number, since it is smaller than the sum of its proper divisors (138614793600).

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

53922560640 is a wasteful number, since it uses less digits than its factorization.

53922560640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 53922560640 in words is "fifty-three billion, nine hundred twenty-two million, five hundred sixty thousand, six hundred forty".