57074561 has 4 divisors (see below), whose sum is σ = 57093972. Its totient is φ = 57055152.

The previous prime is 57074551. The next prime is 57074617. The reversal of 57074561 is 16547075.

57074561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14250625 + 42823936 = 3775^2 + 6544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57074561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57074531) by changing a digit.

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, 4286 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (14273493).

Almost surely, 2^57074561 is an apocalyptic number.

It is an amenable number.

57074561 is a deficient number, since it is larger than the sum of its proper divisors (19411).

57074561 is a wasteful number, since it uses less digits than its factorization.

57074561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19410.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 57074561 is about 7554.7707443707. The cubic root of 57074561 is about 385.0178459148.

The spelling of 57074561 in words is "fifty-seven million, seventy-four thousand, five hundred sixty-one".