57146930 has 16 divisors (see below), whose sum is σ = 102990744. Its totient is φ = 22830720.

The previous prime is 57146909. The next prime is 57146953. The reversal of 57146930 is 3964175.

It can be written as a sum of positive squares in 4 ways, for example, as 55606849 + 1540081 = 7457^2 + 1241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6374 + ... + 12446.

Almost surely, 2^57146930 is an apocalyptic number.

57146930 is a deficient number, since it is larger than the sum of its proper divisors (45843814).

57146930 is a wasteful number, since it uses less digits than its factorization.

57146930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 57146930 is about 7559.5588495626. The cubic root of 57146930 is about 385.1805079229.

The spelling of 57146930 in words is "fifty-seven million, one hundred forty-six thousand, nine hundred thirty".