57385464 has 64 divisors (see below), whose sum is σ = 149437440. Its totient is φ = 18343680.

The previous prime is 57385463. The next prime is 57385481. The reversal of 57385464 is 46458375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57385463) 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, 101647 + ... + 102209.

It is an arithmetic number, because the mean of its divisors is an integer number (2334960).

Almost surely, 2^57385464 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 57385464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74718720).

57385464 is an abundant number, since it is smaller than the sum of its proper divisors (92051976).

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

57385464 is a wasteful number, since it uses less digits than its factorization.

57385464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 736 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 57385464 is about 7575.3193992069. The cubic root of 57385464 is about 385.7156845726.

The spelling of 57385464 in words is "fifty-seven million, three hundred eighty-five thousand, four hundred sixty-four".