57039528 has 192 divisors, whose sum is σ = 184464000. Its totient is φ = 14676480.

The previous prime is 57039527. The next prime is 57039547. The reversal of 57039528 is 82593075.

57039528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (57039527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1391188 + ... + 1391228.

It is an arithmetic number, because the mean of its divisors is an integer number (960750).

Almost surely, 2^57039528 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 57039528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92232000).

57039528 is an abundant number, since it is smaller than the sum of its proper divisors (127424472).

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

57039528 is a wasteful number, since it uses less digits than its factorization.

57039528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 57039528 is about 7552.4517873337. The cubic root of 57039528 is about 384.9390537135.

The spelling of 57039528 in words is "fifty-seven million, thirty-nine thousand, five hundred twenty-eight".