53131348368 has 180 divisors, whose sum is σ = 173634297408. Its totient is φ = 15122136960.

The previous prime is 53131348337. The next prime is 53131348423. The reversal of 53131348368 is 86384313135.

53131348368 is a `hidden beast` number, since 531 + 3 + 1 + 34 + 83 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1841413 + ... + 1870043.

Almost surely, 2^53131348368 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 53131348368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86817148704).

53131348368 is an abundant number, since it is smaller than the sum of its proper divisors (120502949040).

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

53131348368 is a wasteful number, since it uses less digits than its factorization.

53131348368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28922 (or 28906 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 53131348368 in words is "fifty-three billion, one hundred thirty-one million, three hundred forty-eight thousand, three hundred sixty-eight".