57573561 has 8 divisors (see below), whose sum is σ = 76819104. Its totient is φ = 38355200.

The previous prime is 57573559. The next prime is 57573563. The reversal of 57573561 is 16537575.

It is a happy number.

57573561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57573559) and next prime (57573563).

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 57573561 - 2¹ = 57573559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57573563) 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 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (9602388).

Almost surely, 2^57573561 is an apocalyptic number.

It is an amenable number.

57573561 is a deficient number, since it is larger than the sum of its proper divisors (19245543).

57573561 is a wasteful number, since it uses less digits than its factorization.

57573561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13591.

The product of its digits is 110250, while the sum is 39.

The square root of 57573561 is about 7587.7243624159. The cubic root of 57573561 is about 386.1366555078.

The spelling of 57573561 in words is "fifty-seven million, five hundred seventy-three thousand, five hundred sixty-one".