57839930 has 16 divisors (see below), whose sum is σ = 106651944. Its totient is φ = 22571520.

The previous prime is 57839923. The next prime is 57839981. The reversal of 57839930 is 3993875.

57839930 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 24512401 + 33327529 = 4951^2 + 5773^2 .

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, 70127 + ... + 70946.

Almost surely, 2^57839930 is an apocalyptic number.

57839930 is a deficient number, since it is larger than the sum of its proper divisors (48812014).

57839930 is a wasteful number, since it uses less digits than its factorization.

57839930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141121.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 57839930 is about 7605.2567346540. The cubic root of 57839930 is about 386.7312375650.

The spelling of 57839930 in words is "fifty-seven million, eight hundred thirty-nine thousand, nine hundred thirty".