57680380 has 24 divisors (see below), whose sum is σ = 123117120. Its totient is φ = 22693440.

The previous prime is 57680351. The next prime is 57680401. The reversal of 57680380 is 8308675.

57680380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22420 + ... + 24859.

It is an arithmetic number, because the mean of its divisors is an integer number (5129880).

Almost surely, 2^57680380 is an apocalyptic number.

It is an amenable number.

57680380 is an abundant number, since it is smaller than the sum of its proper divisors (65436740).

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

57680380 is a wasteful number, since it uses less digits than its factorization.

57680380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47349 (or 47347 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 57680380 is about 7594.7600357088. The cubic root of 57680380 is about 386.3753139471.

The spelling of 57680380 in words is "fifty-seven million, six hundred eighty thousand, three hundred eighty".