57782828 has 6 divisors (see below), whose sum is σ = 101119956. Its totient is φ = 28891412.

The previous prime is 57782821. The next prime is 57782839. The reversal of 57782828 is 82828775.

57782828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57782821) 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 as a sum of consecutive naturals, namely, 7222850 + ... + 7222857.

It is an arithmetic number, because the mean of its divisors is an integer number (16853326).

Almost surely, 2^57782828 is an apocalyptic number.

It is an amenable number.

57782828 is a deficient number, since it is larger than the sum of its proper divisors (43337128).

57782828 is a wasteful number, since it uses less digits than its factorization.

57782828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445711 (or 14445709 counting only the distinct ones).

The product of its digits is 501760, while the sum is 47.

The square root of 57782828 is about 7601.5016937445. The cubic root of 57782828 is about 386.6039299061.

The spelling of 57782828 in words is "fifty-seven million, seven hundred eighty-two thousand, eight hundred twenty-eight".