53961488532 has 144 divisors (see below), whose sum is σ = 159239808000. Its totient is φ = 15401131200.

The previous prime is 53961488467. The next prime is 53961488557. The reversal of 53961488532 is 23588416935.

53961488532 is a `hidden beast` number, since 5 + 3 + 9 + 61 + 48 + 8 + 532 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16063069 + ... + 16066427.

It is an arithmetic number, because the mean of its divisors is an integer number (1105832000).

Almost surely, 2^53961488532 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 53961488532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79619904000).

53961488532 is an abundant number, since it is smaller than the sum of its proper divisors (105278319468).

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

53961488532 is a wasteful number, since it uses less digits than its factorization.

53961488532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4672 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 53961488532 in words is "fifty-three billion, nine hundred sixty-one million, four hundred eighty-eight thousand, five hundred thirty-two".