57745989 has 24 divisors (see below), whose sum is σ = 98616960. Its totient is φ = 31858848.

The previous prime is 57745981. The next prime is 57746009. The reversal of 57745989 is 98954775.

It is not a de Polignac number, because 57745989 - 2³ = 57745981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57745981) 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 23 ways as a sum of consecutive naturals, for example, 13977 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (4109040).

Almost surely, 2^57745989 is an apocalyptic number.

It is an amenable number.

57745989 is a deficient number, since it is larger than the sum of its proper divisors (40870971).

57745989 is a wasteful number, since it uses less digits than its factorization.

57745989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31649 (or 31646 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 57745989 is about 7599.0781677780. The cubic root of 57745989 is about 386.5217536472.

The spelling of 57745989 in words is "fifty-seven million, seven hundred forty-five thousand, nine hundred eighty-nine".