57725090 has 8 divisors (see below), whose sum is σ = 103905180. Its totient is φ = 23090032.

The previous prime is 57725077. The next prime is 57725099. The reversal of 57725090 is 9052775.

It can be written as a sum of positive squares in 2 ways, for example, as 54804409 + 2920681 = 7403^2 + 1709^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 57725090.

It is not an unprimeable number, because it can be changed into a prime (57725099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886245 + ... + 2886264.

Almost surely, 2^57725090 is an apocalyptic number.

57725090 is a deficient number, since it is larger than the sum of its proper divisors (46180090).

57725090 is a wasteful number, since it uses less digits than its factorization.

57725090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772516.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 57725090 is about 7597.7029423372. The cubic root of 57725090 is about 386.4751189922.

The spelling of 57725090 in words is "fifty-seven million, seven hundred twenty-five thousand, ninety".