57525643 has 4 divisors (see below), whose sum is σ = 65743600. Its totient is φ = 49307688.

The previous prime is 57525641. The next prime is 57525703. The reversal of 57525643 is 34652575.

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

It is a cyclic number.

It is not a de Polignac number, because 57525643 - 2¹ = 57525641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57525641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108968 + ... + 4108981.

It is an arithmetic number, because the mean of its divisors is an integer number (16435900).

Almost surely, 2^57525643 is an apocalyptic number.

57525643 is a deficient number, since it is larger than the sum of its proper divisors (8217957).

57525643 is an equidigital number, since it uses as much as digits as its factorization.

57525643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217956.

The product of its digits is 126000, while the sum is 37.

The square root of 57525643 is about 7584.5661049265. The cubic root of 57525643 is about 386.0294996560.

The spelling of 57525643 in words is "fifty-seven million, five hundred twenty-five thousand, six hundred forty-three".