53355817522560 has 512 divisors, whose sum is σ = 211652611200000. Its totient is φ = 11155334529024.

The previous prime is 53355817522499. The next prime is 53355817522583. The reversal of 53355817522560 is 6522571855335.

It is a happy number.

It is a super-2 number, since 2×53355817522560² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 53355817522560.

It is a congruent number.

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, 3802966 + ... + 11007914.

It is an arithmetic number, because the mean of its divisors is an integer number (413384006250).

Almost surely, 2^{53355817522560} 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 53355817522560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105826305600000).

53355817522560 is an abundant number, since it is smaller than the sum of its proper divisors (158296793677440).

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

53355817522560 is a wasteful number, since it uses less digits than its factorization.

53355817522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205026 (or 7205014 counting only the distinct ones).

The product of its (nonzero) digits is 37800000, while the sum is 57.

The spelling of 53355817522560 in words is "fifty-three trillion, three hundred fifty-five billion, eight hundred seventeen million, five hundred twenty-two thousand, five hundred sixty".