57928640 has 112 divisors (see below), whose sum is σ = 172053504. Its totient is φ = 18048000.

The previous prime is 57928627. The next prime is 57928649. The reversal of 57928640 is 4682975.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57928649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23465 + ... + 25815.

It is an arithmetic number, because the mean of its divisors is an integer number (1536192).

Almost surely, 2^57928640 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 57928640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86026752).

57928640 is an abundant number, since it is smaller than the sum of its proper divisors (114124864).

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

57928640 is a wasteful number, since it uses less digits than its factorization.

57928640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 57928640 is about 7611.0866504068. The cubic root of 57928640 is about 386.9288484772.

The spelling of 57928640 in words is "fifty-seven million, nine hundred twenty-eight thousand, six hundred forty".