57380306 has 4 divisors (see below), whose sum is σ = 86070462. Its totient is φ = 28690152.

The previous prime is 57380261. The next prime is 57380311. The reversal of 57380306 is 60308375.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52693081 + 4687225 = 7259^2 + 2165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14345075 + ... + 14345078.

Almost surely, 2^57380306 is an apocalyptic number.

57380306 is a deficient number, since it is larger than the sum of its proper divisors (28690156).

57380306 is a wasteful number, since it uses less digits than its factorization.

57380306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690155.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57380306 is about 7574.9789438651. The cubic root of 57380306 is about 385.7041277487.

The spelling of 57380306 in words is "fifty-seven million, three hundred eighty thousand, three hundred six".