57023745 has 8 divisors (see below), whose sum is σ = 91238016. Its totient is φ = 30412656.

The previous prime is 57023723. The next prime is 57023749. The reversal of 57023745 is 54732075.

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

It is not a de Polignac number, because 57023745 - 2⁵ = 57023713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57023749) 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, 1900777 + ... + 1900806.

It is an arithmetic number, because the mean of its divisors is an integer number (11404752).

Almost surely, 2^57023745 is an apocalyptic number.

It is an amenable number.

57023745 is a deficient number, since it is larger than the sum of its proper divisors (34214271).

57023745 is a wasteful number, since it uses less digits than its factorization.

57023745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801591.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57023745 is about 7551.4068225729. The cubic root of 57023745 is about 384.9035458604.

The spelling of 57023745 in words is "fifty-seven million, twenty-three thousand, seven hundred forty-five".