57825840 has 80 divisors (see below), whose sum is σ = 189818208. Its totient is φ = 14512128.

The previous prime is 57825827. The next prime is 57825869. The reversal of 57825840 is 4852875.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007 + ... + 11166.

Almost surely, 2^57825840 is an apocalyptic number.

It is an amenable number.

57825840 is an abundant number, since it is smaller than the sum of its proper divisors (131992368).

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

57825840 is a wasteful number, since it uses less digits than its factorization.

57825840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206 (or 14200 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 57825840 is about 7604.3303452704. The cubic root of 57825840 is about 386.6998320079.

The spelling of 57825840 in words is "fifty-seven million, eight hundred twenty-five thousand, eight hundred forty".