53042055808 has 64 divisors (see below), whose sum is σ = 120896193600. Its totient is φ = 22707689472.

The previous prime is 53042055799. The next prime is 53042055811. The reversal of 53042055808 is 80855024035.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807963 + ... + 871141.

It is an arithmetic number, because the mean of its divisors is an integer number (1889003025).

Almost surely, 2^53042055808 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 53042055808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60448096800).

53042055808 is an abundant number, since it is smaller than the sum of its proper divisors (67854137792).

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

53042055808 is an equidigital number, since it uses as much as digits as its factorization.

53042055808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64137 (or 64125 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 53042055808 in words is "fifty-three billion, forty-two million, fifty-five thousand, eight hundred eight".