57745745 has 8 divisors (see below), whose sum is σ = 69336000. Its totient is φ = 46169200.

The previous prime is 57745741. The next prime is 57745763. The reversal of 57745745 is 54754775.

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

It is not a de Polignac number, because 57745745 - 2² = 57745741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57745696 and 57745705.

It is not an unprimeable number, because it can be changed into a prime (57745741) 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 7 ways as a sum of consecutive naturals, for example, 13070 + ... + 16920.

It is an arithmetic number, because the mean of its divisors is an integer number (8667000).

Almost surely, 2^57745745 is an apocalyptic number.

It is an amenable number.

57745745 is a deficient number, since it is larger than the sum of its proper divisors (11590255).

57745745 is a wasteful number, since it uses less digits than its factorization.

57745745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855.

The product of its digits is 686000, while the sum is 44.

The square root of 57745745 is about 7599.0621131821. The cubic root of 57745745 is about 386.5212092432.

The spelling of 57745745 in words is "fifty-seven million, seven hundred forty-five thousand, seven hundred forty-five".