53261564020 has 48 divisors (see below), whose sum is σ = 128043514368. Its totient is φ = 18230284800.

The previous prime is 53261564003. The next prime is 53261564051. The reversal of 53261564020 is 2046516235.

53261564020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 237756 + ... + 403795.

It is an arithmetic number, because the mean of its divisors is an integer number (2667573216).

Almost surely, 2^53261564020 is an apocalyptic number.

It is an amenable number.

53261564020 is an abundant number, since it is smaller than the sum of its proper divisors (74781950348).

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

53261564020 is a wasteful number, since it uses less digits than its factorization.

53261564020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642160 (or 642158 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 53261564020 in words is "fifty-three billion, two hundred sixty-one million, five hundred sixty-four thousand, twenty".