57642027 has 4 divisors (see below), whose sum is σ = 76856040. Its totient is φ = 38428016.

The previous prime is 57641981. The next prime is 57642031. The reversal of 57642027 is 72024675.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57642027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57642037) 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, 9607002 + ... + 9607007.

It is an arithmetic number, because the mean of its divisors is an integer number (19214010).

Almost surely, 2^57642027 is an apocalyptic number.

57642027 is a deficient number, since it is larger than the sum of its proper divisors (19214013).

57642027 is a wasteful number, since it uses less digits than its factorization.

57642027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214012.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 57642027 is about 7592.2346512736. The cubic root of 57642027 is about 386.2896583739.

The spelling of 57642027 in words is "fifty-seven million, six hundred forty-two thousand, twenty-seven".