57946778 has 16 divisors (see below), whose sum is σ = 92257704. Its totient is φ = 27202560.

The previous prime is 57946769. The next prime is 57946799. The reversal of 57946778 is 87764975.

57946778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40666129 + 17280649 = 6377^2 + 4157^2 .

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, 13826 + ... + 17522.

Almost surely, 2^57946778 is an apocalyptic number.

57946778 is a deficient number, since it is larger than the sum of its proper divisors (34310926).

57946778 is a wasteful number, since it uses less digits than its factorization.

57946778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its digits is 2963520, while the sum is 53.

The square root of 57946778 is about 7612.2781084246. The cubic root of 57946778 is about 386.9692279458.

The spelling of 57946778 in words is "fifty-seven million, nine hundred forty-six thousand, seven hundred seventy-eight".