57845680 has 20 divisors (see below), whose sum is σ = 134491392. Its totient is φ = 23138240.

The previous prime is 57845677. The next prime is 57845681. The reversal of 57845680 is 8654875.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×57845680² = 6692245389324800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57845681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361456 + ... + 361615.

Almost surely, 2^57845680 is an apocalyptic number.

It is an amenable number.

57845680 is an abundant number, since it is smaller than the sum of its proper divisors (76645712).

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

57845680 is a wasteful number, since it uses less digits than its factorization.

57845680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723084 (or 723078 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 57845680 is about 7605.6347532602. The cubic root of 57845680 is about 386.7440524199.

The spelling of 57845680 in words is "fifty-seven million, eight hundred forty-five thousand, six hundred eighty".