57782680 has 16 divisors (see below), whose sum is σ = 130011120. Its totient is φ = 23113056.

The previous prime is 57782651. The next prime is 57782689. The reversal of 57782680 is 8628775.

It is a happy number.

57782680 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 not an unprimeable number, because it can be changed into a prime (57782689) 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 3 ways as a sum of consecutive naturals, for example, 722244 + ... + 722323.

It is an arithmetic number, because the mean of its divisors is an integer number (8125695).

Almost surely, 2^57782680 is an apocalyptic number.

It is an amenable number.

57782680 is an abundant number, since it is smaller than the sum of its proper divisors (72228440).

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

57782680 is a wasteful number, since it uses less digits than its factorization.

57782680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444578 (or 1444574 counting only the distinct ones).

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

The square root of 57782680 is about 7601.4919588197. The cubic root of 57782680 is about 386.6035998343.

The spelling of 57782680 in words is "fifty-seven million, seven hundred eighty-two thousand, six hundred eighty".