53287969504 has 192 divisors, whose sum is σ = 134732021760. Its totient is φ = 20140462080.

The previous prime is 53287969499. The next prime is 53287969547. The reversal of 53287969504 is 40596978235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41663137 + ... + 41664415.

It is an arithmetic number, because the mean of its divisors is an integer number (701729280).

Almost surely, 2^53287969504 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 53287969504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67366010880).

53287969504 is an abundant number, since it is smaller than the sum of its proper divisors (81444052256).

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

53287969504 is a wasteful number, since it uses less digits than its factorization.

53287969504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 53287969504 in words is "fifty-three billion, two hundred eighty-seven million, nine hundred sixty-nine thousand, five hundred four".