53286248571840 has 560 divisors, whose sum is σ = 195215016427200. Its totient is φ = 13787020689408.

The previous prime is 53286248571839. The next prime is 53286248571851. The reversal of 53286248571840 is 4817584268235.

53286248571840 is a `hidden beast` number, since 5 + 3 + 2 + 8 + 6 + 2 + 485 + 71 + 84 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 344217976 + ... + 344372744.

It is an arithmetic number, because the mean of its divisors is an integer number (348598243620).

Almost surely, 2^{53286248571840} 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 53286248571840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97607508213600).

53286248571840 is an abundant number, since it is smaller than the sum of its proper divisors (141928767855360).

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

53286248571840 is a wasteful number, since it uses less digits than its factorization.

53286248571840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155194 (or 155175 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 63.

The spelling of 53286248571840 in words is "fifty-three trillion, two hundred eighty-six billion, two hundred forty-eight million, five hundred seventy-one thousand, eight hundred forty".