53066251306140 has 192 divisors, whose sum is σ = 157260884659200. Its totient is φ = 13332956921856.

The previous prime is 53066251306129. The next prime is 53066251306147. The reversal of 53066251306140 is 4160315266035.

It is a junction number, because it is equal to n+sod(n) for n = 53066251306092 and 53066251306101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53066251306147) 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 63 ways as a sum of consecutive naturals, for example, 818221954 + ... + 818286806.

It is an arithmetic number, because the mean of its divisors is an integer number (819067107600).

Almost surely, 2^{53066251306140} 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 53066251306140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78630442329600).

53066251306140 is an abundant number, since it is smaller than the sum of its proper divisors (104194633353060).

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

53066251306140 is a wasteful number, since it uses less digits than its factorization.

53066251306140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68796 (or 68794 counting only the distinct ones).

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

The spelling of 53066251306140 in words is "fifty-three trillion, sixty-six billion, two hundred fifty-one million, three hundred six thousand, one hundred forty".