57602561 has 4 divisors (see below), whose sum is σ = 57680832. Its totient is φ = 57524292.

The previous prime is 57602549. The next prime is 57602563. The reversal of 57602561 is 16520675.

It is a happy number.

57602561 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57602561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57602563) 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, 38021 + ... + 39506.

It is an arithmetic number, because the mean of its divisors is an integer number (14420208).

Almost surely, 2^57602561 is an apocalyptic number.

It is an amenable number.

57602561 is a deficient number, since it is larger than the sum of its proper divisors (78271).

57602561 is an equidigital number, since it uses as much as digits as its factorization.

57602561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78270.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57602561 is about 7589.6351032181. The cubic root of 57602561 is about 386.2014774109.

The spelling of 57602561 in words is "fifty-seven million, six hundred two thousand, five hundred sixty-one".