53557850568 has 32 divisors (see below), whose sum is σ = 135893057760. Its totient is φ = 17586159360.

The previous prime is 53557850497. The next prime is 53557850609. The reversal of 53557850568 is 86505875535.

53557850568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16651953 + ... + 16655168.

It is an arithmetic number, because the mean of its divisors is an integer number (4246658055).

Almost surely, 2^53557850568 is an apocalyptic number.

It is an amenable number.

53557850568 is an abundant number, since it is smaller than the sum of its proper divisors (82335207192).

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

53557850568 is a wasteful number, since it uses less digits than its factorization.

53557850568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33307197 (or 33307193 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 57.

The spelling of 53557850568 in words is "fifty-three billion, five hundred fifty-seven million, eight hundred fifty thousand, five hundred sixty-eight".