53809874320 has 20 divisors (see below), whose sum is σ = 125107957980. Its totient is φ = 21523949696.

The previous prime is 53809874213. The next prime is 53809874341. The reversal of 53809874320 is 2347890835.

It can be written as a sum of positive squares in 2 ways, for example, as 28597515664 + 25212358656 = 169108^2 + 158784^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336311635 + ... + 336311794.

It is an arithmetic number, because the mean of its divisors is an integer number (6255397899).

Almost surely, 2^53809874320 is an apocalyptic number.

It is an amenable number.

53809874320 is an abundant number, since it is smaller than the sum of its proper divisors (71298083660).

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

53809874320 is a wasteful number, since it uses less digits than its factorization.

53809874320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672623442 (or 672623436 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 53809874320 in words is "fifty-three billion, eight hundred nine million, eight hundred seventy-four thousand, three hundred twenty".