53034065568 has 144 divisors (see below), whose sum is σ = 166223244096. Its totient is φ = 15905157120.

The previous prime is 53034065563. The next prime is 53034065569. The reversal of 53034065568 is 86556043035.

53034065568 is a `hidden beast` number, since 53 + 0 + 3 + 40 + 6 + 556 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×53034065568² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53034065563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221005 + ... + 393587.

It is an arithmetic number, because the mean of its divisors is an integer number (1154328084).

Almost surely, 2^53034065568 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 53034065568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83111622048).

53034065568 is an abundant number, since it is smaller than the sum of its proper divisors (113189178528).

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

53034065568 is a wasteful number, since it uses less digits than its factorization.

53034065568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172707 (or 172696 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 53034065568 in words is "fifty-three billion, thirty-four million, sixty-five thousand, five hundred sixty-eight".