57725361 has 12 divisors (see below), whose sum is σ = 83991492. Its totient is φ = 38201856.

The previous prime is 57725351. The next prime is 57725389. The reversal of 57725361 is 16352775.

57725361 is a `hidden beast` number, since 57 + 72 + 536 + 1 = 666.

57725361 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 2 ways, for example, as 38750625 + 18974736 = 6225^2 + 4356^2 .

It is not a de Polignac number, because 57725361 - 2⁵ = 57725329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57725351) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22176 + ... + 24641.

It is an arithmetic number, because the mean of its divisors is an integer number (6999291).

Almost surely, 2^57725361 is an apocalyptic number.

It is an amenable number.

57725361 is a deficient number, since it is larger than the sum of its proper divisors (26266131).

57725361 is a wasteful number, since it uses less digits than its factorization.

57725361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46960 (or 46957 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 57725361 is about 7597.7207766540. The cubic root of 57725361 is about 386.4757237817.

The spelling of 57725361 in words is "fifty-seven million, seven hundred twenty-five thousand, three hundred sixty-one".