53312382 has 96 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 16074240.

The previous prime is 53312381. The next prime is 53312393. The reversal of 53312382 is 28321335.

53312382 is a `hidden beast` number, since 533 + 123 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53312381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1005868 + ... + 1005920.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 2^53312382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53312382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63685440).

53312382 is an abundant number, since it is smaller than the sum of its proper divisors (74058498).

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

53312382 is a wasteful number, since it uses less digits than its factorization.

53312382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 175 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 53312382 is about 7301.5328527645. The cubic root of 53312382 is about 376.3651151979.

The spelling of 53312382 in words is "fifty-three million, three hundred twelve thousand, three hundred eighty-two".