57682780 has 24 divisors (see below), whose sum is σ = 123952752. Its totient is φ = 22536192.

The previous prime is 57682763. The next prime is 57682783. The reversal of 57682780 is 8728675.

It is a happy number.

57682780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57682783) by changing a digit.

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, 32677 + ... + 34396.

It is an arithmetic number, because the mean of its divisors is an integer number (5164698).

Almost surely, 2^57682780 is an apocalyptic number.

It is an amenable number.

57682780 is an abundant number, since it is smaller than the sum of its proper divisors (66269972).

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

57682780 is a wasteful number, since it uses less digits than its factorization.

57682780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67125 (or 67123 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 57682780 is about 7594.9180377408. The cubic root of 57682780 is about 386.3806727184.

The spelling of 57682780 in words is "fifty-seven million, six hundred eighty-two thousand, seven hundred eighty".