57236382 has 80 divisors (see below), whose sum is σ = 155247840. Its totient is φ = 15386112.

The previous prime is 57236371. The next prime is 57236383. The reversal of 57236382 is 28363275.

57236382 is a `hidden beast` number, since 572 + 3 + 6 + 3 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57236383) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17794 + ... + 20762.

It is an arithmetic number, because the mean of its divisors is an integer number (1940598).

Almost surely, 2^57236382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57236382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77623920).

57236382 is an abundant number, since it is smaller than the sum of its proper divisors (98011458).

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

57236382 is a wasteful number, since it uses less digits than its factorization.

57236382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007 (or 2998 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 57236382 is about 7565.4730189196. The cubic root of 57236382 is about 385.3813773010.

The spelling of 57236382 in words is "fifty-seven million, two hundred thirty-six thousand, three hundred eighty-two".