57730538 has 8 divisors (see below), whose sum is σ = 91689732. Its totient is φ = 27167296.

The previous prime is 57730537. The next prime is 57730559. The reversal of 57730538 is 83503775.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57714409 + 16129 = 7597^2 + 127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57730537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848945 + ... + 849012.

Almost surely, 2^57730538 is an apocalyptic number.

57730538 is a deficient number, since it is larger than the sum of its proper divisors (33959194).

57730538 is a wasteful number, since it uses less digits than its factorization.

57730538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697976.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 57730538 is about 7598.0614632944. The cubic root of 57730538 is about 386.4872769072.

The spelling of 57730538 in words is "fifty-seven million, seven hundred thirty thousand, five hundred thirty-eight".