65053538304 has 96 divisors (see below), whose sum is σ = 174030489360. Its totient is φ = 21609906176.

The previous prime is 65053538293. The next prime is 65053538309. The reversal of 65053538304 is 40383535056.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65053538309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782124 + ... + 1818260.

Almost surely, 2^65053538304 is an apocalyptic number.

65053538304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65053538304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87015244680).

65053538304 is an abundant number, since it is smaller than the sum of its proper divisors (108976951056).

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

65053538304 is a wasteful number, since it uses less digits than its factorization.

65053538304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455 (or 36435 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 65053538304 in words is "sixty-five billion, fifty-three million, five hundred thirty-eight thousand, three hundred four".