57245827 has 4 divisors (see below), whose sum is σ = 59734800. Its totient is φ = 54756856.

The previous prime is 57245813. The next prime is 57245833. The reversal of 57245827 is 72854275.

It is a happy number.

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-57245827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57245827.

It is not an unprimeable number, because it can be changed into a prime (57245807) 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, 1244452 + ... + 1244497.

It is an arithmetic number, because the mean of its divisors is an integer number (14933700).

Almost surely, 2^57245827 is an apocalyptic number.

57245827 is a deficient number, since it is larger than the sum of its proper divisors (2488973).

57245827 is a wasteful number, since it uses less digits than its factorization.

57245827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488972.

The product of its digits is 156800, while the sum is 40.

The square root of 57245827 is about 7566.0972105835. The cubic root of 57245827 is about 385.4025743485.

The spelling of 57245827 in words is "fifty-seven million, two hundred forty-five thousand, eight hundred twenty-seven".