53051645064 has 64 divisors (see below), whose sum is σ = 145443962880. Its totient is φ = 15992072000.

The previous prime is 53051644993. The next prime is 53051645071. The reversal of 53051645064 is 46054615035.

53051645064 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 15 ways as a sum of consecutive naturals, for example, 475632 + ... + 576479.

It is an arithmetic number, because the mean of its divisors is an integer number (2272561920).

Almost surely, 2^53051645064 is an apocalyptic number.

It is an amenable number.

53051645064 is an abundant number, since it is smaller than the sum of its proper divisors (92392317816).

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

53051645064 is a wasteful number, since it uses less digits than its factorization.

53051645064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052322 (or 1052318 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 53051645064 in words is "fifty-three billion, fifty-one million, six hundred forty-five thousand, sixty-four".