53109077760 has 576 divisors, whose sum is σ = 198473708160. Its totient is φ = 13430292480.

The previous prime is 53109077741. The next prime is 53109077771. The reversal of 53109077760 is 6777090135.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 52427014 + ... + 52428026.

It is an arithmetic number, because the mean of its divisors is an integer number (344572410).

Almost surely, 2^53109077760 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 53109077760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99236854080).

53109077760 is an abundant number, since it is smaller than the sum of its proper divisors (145364630400).

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

53109077760 is a wasteful number, since it uses less digits than its factorization.

53109077760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The spelling of 53109077760 in words is "fifty-three billion, one hundred nine million, seventy-seven thousand, seven hundred sixty".