57543336 has 96 divisors (see below), whose sum is σ = 162063720. Its totient is φ = 18432000.

The previous prime is 57543323. The next prime is 57543341. The reversal of 57543336 is 63334575.

It can be written as a sum of positive squares in 4 ways, for example, as 43480836 + 14062500 = 6594^2 + 3750^2 .

It is a super-2 number, since 2×57543336² = 6622471036017792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57543336.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298056 + ... + 298248.

Almost surely, 2^57543336 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 57543336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81031860).

57543336 is an abundant number, since it is smaller than the sum of its proper divisors (104520384).

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

57543336 is a wasteful number, since it uses less digits than its factorization.

57543336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 340 counting only the distinct ones).

The product of its digits is 113400, while the sum is 36.

The square root of 57543336 is about 7585.7323970728. The cubic root of 57543336 is about 386.0690722679.

The spelling of 57543336 in words is "fifty-seven million, five hundred forty-three thousand, three hundred thirty-six".