53387532468 has 18 divisors (see below), whose sum is σ = 134951818274. Its totient is φ = 17795844144.

The previous prime is 53387532379. The next prime is 53387532487. The reversal of 53387532468 is 86423578335.

It is a happy number.

53387532468 is a `hidden beast` number, since 53 + 3 + 87 + 53 + 2 + 468 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48628188324 + 4759344144 = 220518^2 + 68988^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741493471 + ... + 741493542.

Almost surely, 2^53387532468 is an apocalyptic number.

It is an amenable number.

53387532468 is an abundant number, since it is smaller than the sum of its proper divisors (81564285806).

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

53387532468 is a wasteful number, since it uses less digits than its factorization.

53387532468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482987023 (or 1482987018 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 53387532468 in words is "fifty-three billion, three hundred eighty-seven million, five hundred thirty-two thousand, four hundred sixty-eight".