53168259520 has 112 divisors (see below), whose sum is σ = 128314277280. Its totient is φ = 20981252096.

The previous prime is 53168259503. The next prime is 53168259527. The reversal of 53168259520 is 2595286135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53168259527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34235064 + ... + 34236616.

It is an arithmetic number, because the mean of its divisors is an integer number (1145663190).

Almost surely, 2^53168259520 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 53168259520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64157138640).

53168259520 is an abundant number, since it is smaller than the sum of its proper divisors (75146017760).

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

53168259520 is a wasteful number, since it uses less digits than its factorization.

53168259520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 53168259520 in words is "fifty-three billion, one hundred sixty-eight million, two hundred fifty-nine thousand, five hundred twenty".