57245688 has 24 divisors (see below), whose sum is σ = 155040600. Its totient is φ = 19081872.

The previous prime is 57245663. The next prime is 57245693. The reversal of 57245688 is 88654275.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397468 + ... + 397611.

It is an arithmetic number, because the mean of its divisors is an integer number (6460025).

Almost surely, 2^57245688 is an apocalyptic number.

It is an amenable number.

57245688 is an abundant number, since it is smaller than the sum of its proper divisors (97794912).

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

57245688 is a wasteful number, since it uses less digits than its factorization.

57245688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795091 (or 795084 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 57245688 is about 7566.0880248646. The cubic root of 57245688 is about 385.4022624131.

The spelling of 57245688 in words is "fifty-seven million, two hundred forty-five thousand, six hundred eighty-eight".