57680245 has 16 divisors (see below), whose sum is σ = 79262208. Its totient is φ = 39473280.

The previous prime is 57680239. The next prime is 57680261. The reversal of 57680245 is 54208675.

It is a happy number.

It is not a de Polignac number, because 57680245 - 2⁵ = 57680213 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20260 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (4953888).

Almost surely, 2^57680245 is an apocalyptic number.

It is an amenable number.

57680245 is a deficient number, since it is larger than the sum of its proper divisors (21581963).

57680245 is a wasteful number, since it uses less digits than its factorization.

57680245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 57680245 is about 7594.7511479969. The cubic root of 57680245 is about 386.3750125118.

The spelling of 57680245 in words is "fifty-seven million, six hundred eighty thousand, two hundred forty-five".