57000745 has 8 divisors (see below), whose sum is σ = 72424584. Its totient is φ = 42918144.

The previous prime is 57000737. The next prime is 57000751. The reversal of 57000745 is 54700075.

57000745 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 4 ways, for example, as 6718464 + 50282281 = 2592^2 + 7091^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57000745 - 2³ = 57000737 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 335214 + ... + 335383.

It is an arithmetic number, because the mean of its divisors is an integer number (9053073).

Almost surely, 2^57000745 is an apocalyptic number.

It is an amenable number.

57000745 is a deficient number, since it is larger than the sum of its proper divisors (15423839).

57000745 is a wasteful number, since it uses less digits than its factorization.

57000745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670619.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 57000745 is about 7549.8837739398. The cubic root of 57000745 is about 384.8517898065.

The spelling of 57000745 in words is "fifty-seven million, seven hundred forty-five", and thus it is an aban number.