57725644 has 12 divisors (see below), whose sum is σ = 101964744. Its totient is φ = 28592864.

The previous prime is 57725623. The next prime is 57725671. The reversal of 57725644 is 44652775.

57725644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57725597 and 57725606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67009 + ... + 67864.

It is an arithmetic number, because the mean of its divisors is an integer number (8497062).

Almost surely, 2^57725644 is an apocalyptic number.

It is an amenable number.

57725644 is a deficient number, since it is larger than the sum of its proper divisors (44239100).

57725644 is a wasteful number, since it uses less digits than its factorization.

57725644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134984 (or 134982 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 57725644 is about 7597.7394006375. The cubic root of 57725644 is about 386.4763553496.

The spelling of 57725644 in words is "fifty-seven million, seven hundred twenty-five thousand, six hundred forty-four".