57165536 has 48 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 27688320.

The previous prime is 57165529. The next prime is 57165587. The reversal of 57165536 is 63556175.

It is a self number, because there is not a number n which added to its sum of digits gives 57165536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287165 + ... + 287363.

It is an arithmetic number, because the mean of its divisors is an integer number (2419200).

Almost surely, 2^57165536 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 57165536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58060800).

57165536 is an abundant number, since it is smaller than the sum of its proper divisors (58956064).

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

57165536 is a wasteful number, since it uses less digits than its factorization.

57165536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 439 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

The square root of 57165536 is about 7560.7893767781. The cubic root of 57165536 is about 385.2223059740. Note that the first 3 decimals are identical.

The spelling of 57165536 in words is "fifty-seven million, one hundred sixty-five thousand, five hundred thirty-six".